Which of the following could represent a good pattern of integrated pest management?
Answer:
Tail docking, crutching, mulesing, insecticides, crop rotations, fly traps, grazing management, pesticides
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A mutation is the change in a gene. Mutations happen when a mistake is made when a cell’s chromosomes are copied. How might mutations introduced to variation into a population?
Question 11
Which of the following is a chromosomal mutation?
substitution
insertion
point mutation
inversion
Answer:
Inversion
Explanation:
The chromosomal mutations are deletion, duplication, inversion, and translocation.
Inversion is the only one listed
How is melting water turning it from the ice to liquid water an example of a physical property
A. Melting the substance doses not change the substance
B. Melting the substance does change substance
C it is not a physical property
Answer:
A. Melting the substance doses not change the substance
Explanation:
Which animal is the least related to the others?
Answer:
Blue whale
Explanation:
Answer:d
Explanation:
Would it be possible for an organism to make protein if it did not eat protein?
Answer:
Even though you did not eat the grains and legumes together, your body can synthesize new protein over the course of the day. But if you ate your toast with peanut butter, it would be a complete protein, meaning all essential amino acids are delivered within one meal.
Explanation:
PLEASE HELP ASAPP !!! A certain plant tissue, typically found in the stem and in the hard outer covering of seeds, contains very thick, rigid cells. Which of the following correctly identifies this tissue and its function?
O meristem tissue; gamete formation
O vascular tissue, production of sugar
O ground tissue, transportation of materials
dermal tissue, protection against damage
According to the given information, this tissue is ground tissue, transportation of materials
What tissue is found in the stem?The stem is composed of three tissue systems that include the epidermis, vascular, and ground tissues, all of which are made from simple cell types.
The xylem and phloem carry water and nutrients up and down the length of the stem and are arranged in distinct strands called vascular bundles.
Thus, option C ground tissue, transportation of materials is correct.
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9. How did life on Earth change from one period of geologic time to the next?
Answer:
Scientists use the geologic time scale to illustrate the order in which events on Earth have happened. ... They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth. Later, scientists used absolute dating to determine the actual number of years ago that events happened.
Life on Earth greatly change from one period to the next of geologic time.
The life on Earth change from one period of geologic time to the next because major changes appear on the surface of earth. Great changes in the environmental conditions leads to the change in the distribution of organisms as well as extinction of various organisms on which other organisms depend.
Due to this extinction of different organisms imbalance occurs within the ecosystem so we can conclude that life on Earth greatly change from one period to the next of geologic time.
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Describe the physiology of bones
Answer:
Bone serves three main physiological functions. … At the cellular level, bone matrix formation and mineralization are mediated by osteoblasts and bone resorption is mediated by osteoclasts, while at the molecular level, a range of systemic and local factors regulate cellular and tissue level processes in bone.
Explanation:
37. Positive feedback differs from negative feedback in that A) positive feedback benefits the organism, whereas negative feedback is detrimental. B) the effector's response in positive feedback is in the same direction as the initiating stimulus rather than opposite to it. C) the effector's response increases some parameter (such as temperature), whereas in negative feedback it decreases. D) positive feedback systems have only effectors, whereas negative feedback systems have only receptors. E) positive feedback systems have control centers that are lacking in negative feedback systems.
Answer:
B) the effector's response in positive feedback is in the same direction as the initiating stimulus rather than opposite to it
Explanation:
Two major mechanisms are used by target cells to relay information about the quantity and effect of an hormone produced by an endocrine gland back to its source. These mechanisms are: positive and negative mechanism.
- Positive mechanism occurs in such a way that the effector's response favors that of the original stimulus while in Negative feedback, the effector's response counters or opposes the original or initiating stimulus.
For example, if the pancreas (endocrine gland) releases insulin hormone to the cells, the cells send a positive feedback to make the pancreas proceed with the production of insulin while a negative feedback will make pancreas reduce or stop the production of insulin.
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The use of biotechnology for problem-solving and the creation of useful products has been around a long time. New developments
have introduced modern biotechnological tools and processes that have advanced the field. Which statement reflects a use of
modern biotechnology?
Bacteria ferment milk to produce cheese.
O The use of yeast in bread-making causes bread to rise.
O Cows are selectively bred to produce more milk.
O DNA fingerprinting is used to identify and convict criminals.
Answer:
Biotechnology is the process of making useful products. This means something like drugs that are created through genetic engineering. the most suitable answer would be:
C. Cows are selectively bred to produce more milk.
If you have heard of gmo products, this would be something like that. Hope this helps!
URGENTTTTTT:
Which of the following would describe the alien's phenotype? Select more than one answer
A Green
B Recessive for blue skin.
Slimy
D Short
E Dominant for green skin
F Xx
G Big eyes
H Gene for eye color.
Answer:
A, e, g, d, b
Explanation:
Which of the following correct describes the difference between dominant and recessive traits?
A Dominant traits are found more frequently in a population than recessive traits.
Recessive traits are found more frequently in a population than dominant traits.
© When present together, recessive traits are the ones which we see in the organism
When present together, dominant traits are the ones which we see in the organism.
Explanation:
The first one I think _______________
Which of the following statements is not true of the circulatory system and its transport of nutrients?
a. Water-soluble nutrients leave the small Intestine via lymph.
b. Nutrients that leave the small intestine via blood are delivered first to the liver.
c. Lymph empties into the blood just before the blood reaches the heart.
d. Lymph is formed from fluid that Is forced out of capillaries by blood pressure.
Answer: b. Nutrients that leave the small intestine via blood are delivered first to the liver.
Explanation:
Lymph is a clear fluid that leeks out from the interstitial spaces of the cells and this comprises of electrolytes, blood proteins, and antibodies. It is pushed towards the heart from the lymphatic vessels. The nutrients from the small intestine are drained into the bloodstream and they are circulated to all parts of the body and not directly destined towards the liver.
help! two quick questions!
Because every normal body cell contains homologous pairs
of chromosomes, it holds 2 alleles of each gene.
1. What are alleles?
2. Where do these 2 different alleles come from?
Answer:
1.Alleles are a pair of genes that occupy a specific location on a particular chromosome and control the same trait.2.An allele is one of two or more versions of a gene. An individual inherits two alleles for each gene, one from each parent.Which respresents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck effect?
a.
occurs in small populations when one genetic trait becomes more common in a population purely by chance
b.
occurs in small populations and results in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits
c.
when a small group of organisms only reproduce with each other to create a larger population of organisms
d.
when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population
The sentence represents the common conditions of all three of the following is (b), occurs in small populations and results in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits.
What is the founder principle?The founder principle is a principle where a new population is established with a small population that is different from its parent population because the founder of the new population is from a different place.
Thus, the correct option is b.
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A doctoral student in biology, Esther Mensah, is reviewing primary literature over RNAi interference as part of her literary research for her proposal on decreasing the amount of abnormal white blood cell growth associated with acute myeloid leukemia (AML) using a murine (mouse) model. She is being provided with 10 AML mice courtesy of her mentor. Can you help her out with her proposal
Answer:
She might study the function of putative oncogenes and/or tumor suppressor genes in AML mice by transfecting small interfering RNAs (siRNAs) which are able to suppress the expression of genes of interest through the RNA interference (RNAi) pathway
Explanations:
The RNA interference (RNAi) pathway is a naturally occurring mechanism which is used in molecular biology laboratories to inhibit the expression of target genes. The RNAi technique consists of delivering small interfering double-stranded RNAs (siRNAs, 18-30 nucleotides in length) into the cells in order to inhibit the translation of genes and/or trigger mRNA degradation, thereby suppressing target gene expression. These siRNAs are specifically designed to bind by complementarity to transcripts of target genes (i.e., mRNAs). In this case, the RNAi pathway can be used to study the function of genes involved in AML pathways (e.g., apoptosis, cell proliferation, etc).
Which organism is the most closely related to birds?
And why?
Answer:
chick
Explanation:
it has feathers and lays eggs
In which subcellular compartment does complete oxidation of acetyl CoA occur in brain cells?
One weakness of the human microbiome project is its use of Sanger Sequencing instead of modern metagenomic techniques. it's underrepresentation of non-US born people. it's inclusion of multiple lifestyle attributes. its sampling of people with a wide variety of diets preventing analysis of risk groups. the lack of information sharing from the project's findings.
Answer:
The correct answer is - It's a sampling of people with a wide variety of diets preventing analysis of risk groups.
Explanation:
The correct answer among the given option would be that people with more diverse diet variety would be preventing the analyzing the risk groups. It is known that the human microbiome project believes that every individual experiences a specific and unique effect of the microbiome.
Even in the case of two distinct organisms have the same microbiota will experience different effect and show different characteristics to one another due to varieties and difference in their diet.
Which of the following is a major category of animal tissue?A. EpitheliumB. LymphC. Blood serumD. Heart
Answer: B
Explanation:
The epithelium is the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures. And if it damaged the rate of cell fixture is slowed.
Plzzzz helpppppppppppppp
Answer:
A or C, try to narrow is down to what other information you have and go from there.
Explanation:
Answer:
C
Explanation:
The higher the temperature, the more water vapor a volume of air is capable of holding. Hope this helps! :)
I
Do you agree with the article’s assessment that bedbugs are parasites? Explain your reasoning using what you’ve learned about parasitic relationships.
article:
When bed bugs suddenly made a comeback in recent years, biologists were just as surprised as everyone else. Few had studied the bugs because there seemed no need to do so. But as bed bugs became ever harder to kill, scientists began probing hard to find their weaknesses.
To do that, they invited some of the bugs to stay in the lab. There, researchers could observe them closely. But to be good hosts, the scientists had to keep their bugs healthy and well-fed. And that has required learning how to deliver these critters the blood on which they thrive.
Answer:
Yes, bedbugs are parasites. They need a host—humans—to survive. However, they don’t benefit humans at all. In fact, they cause harm. As they feed off humans, they leave behind red, itchy welts on the skin.
Explanation:
This is from Edmentum I took the tutorial, and if you don't want the exact words just search up synonyms for some words and replace them to change it up a bit. :) Hope you get the answer you were looking for!
How might a plant population be affected by the construction of a road through a forest? In your answer, consider how things such as pollution from automobiles, runoff from roadways, or an increase in sunlight might affect the plant populations that live in the forest.
Answer:
Roads and traffic affect wildlife populations in three major ways, by (i) increasing mortality, (ii) decreasing habitat amount and quality and (iii) fragmenting populations into smaller sub‐populations which are more vulnerable to local extinction.
Explanation:
A plant population affected by the construction of a road through a forest by:-
Roads create improved access to forests, which can increase predation rates from hunters.Animals may move to avoid traffic noise, increasing their vulnerability to predation by other animals.Fragmentation can have a severe impact on wildlife. Reductions in habitat may lead to increased competition among species and more limited resources.Pollution that affect the plant populations that live in the forest include:-
Automobiles: - Pollutants from automobile deposit on leaves, blocking the stomata and eventually affecting transpiration.
These depositions hinder CO2 absorption and decrease photosynthesis .This affect the growth of plants and their productivity.Runoff from roadways:- It contain salts which when come in contact with the plant roots injure them.
it increase water stressit also affect water qualityIt affect the mineral nutrition.Increase in sunlight:- It can bleach out the color of plant's flower and foliage.
parts of the leaves may get dark in color and the edge may blown and curl.some sun sensitive plants may also wilt .To know more about habitat destruction here
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If a nation is suffering famine as a result of changing conditions reducing their wheat crop, which area of scientific specialization would be the area
most likely to be involved in finding a solution?
O pomologists
O arborists
O agronomists
botanists
Answer:
Agronomist
Explanation:
An agronomist studies soil and how well plants can grow in that specific soil. Pomologists and botanists study the fruit itself, while arborists take care of trees. If you wanted to know how to make your plants regrow, you would contact an agronomist.
Answer:
I believe its agronomists
Explanation:
they study plants and crops and how to modify/grow them
Many teen parents experience which of the following?
How do mutations affect natural selection?
A: They slow down the process
B: They prevent organisms from evolving
C: reproduce
They affect how likely an organism is to survive and
reproduce
D: They are the leading cause of extinction
Answer:C: reproduce
They affect how likely an organism is to survive and
reproduce
Explanation:
Answer:
the answer is C
Explanation:
These variations often alter gene activity or protein function, which can introduce different traits in an organism. If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection)
Marcie’s family takes a trip to the beach. They observe many features along the shoreline, including sea stacks and sea arches. These features are made of granite, a very hard rock. It takes many years and a huge amount of wave energy for a sea arch to fall, forming a sea stack.
The sea arch illustration on the left is an arch made of rock, while the sea stack illustration on the right is two columns of rock with a space in between.
Marcie believes that the sea arch was once part of a mountain. Which sentence explains how the mountain was formed?
A. Plates moved apart to form it.
B. Volcanic lava hardened to form it.
C. Tectonic plates collided to form it.
D. Sand was deposited to form it.
Answer:
i think it is d,
Explanation: if its near the water then that means the water must have eroded or washed away the sand and stone to form the arches
Match each term with its description. Note that not all answers will be used.
1. Interphase
2. Prophase
3. Metaphase
4. Anaphase
5. Telophase
6. Cytokinesis
7. Haploid
8. Metaphase II
9. Anaphase II
10. Telophase II
a. Four daughter cells form, each with one copy of the original chromosomes.
b. The cell splits into two daughter cells.
c. Chromosomes align along the middle of the cell
d. Chromatids separate in a meiosis II cell
e. Nuclear membrane re-forms
f. The centromeres split and the chromatids are pulled apart
g. DNA replicates
h. Chromosomes align in the middle of the meiosis II cell
i. RNA leaves the nucleus
j. Crossing over occurs during this phase
k. Occurs when only one member of each homologous pair of chromosomes is present
l. DNA condenses into chromosomes
Answer:
1. Interphase - DNA replicates, RNA leaves the nucleus
2. Prophase - Crossing over occurs during this phase, DNA condenses into chromosomes
3. Metaphase - Chromosomes align along the middle of the cell
4. Anaphase - The centromeres split and the chromatids are pulled apart
5. Telophase - Nuclear membrane re-forms
6. Cytokinesis - The cell splits into two daughter cells.
7. Haploid - Occurs when only one member of each homologous pair of chromosomes is present
8. Metaphase II - Chromosomes align in the middle of the meiosis II cell
9. Anaphase II - Chromatids separate in a meiosis II cell
10. Telophase II - Four daughter cells form, each with one copy of the original chromosomes.
Explanation:
1. Interphase - DNA replicates, RNA leaves the nucleus
2. Prophase - Crossing over occurs during this phase, DNA condenses into chromosomes
3. Metaphase - Chromosomes align along the middle of the cell
4. Anaphase - The centromeres split and the chromatids are pulled apart
5. Telophase - Nuclear membrane re-forms
6. Cytokinesis - The cell splits into two daughter cells.
7. Haploid - Occurs when only one member of each homologous pair of chromosomes is present
8. Metaphase II - Chromosomes align in the middle of the meiosis II cell
9. Anaphase II - Chromatids separate in a meiosis II cell
10. Telophase II - Four daughter cells form, each with one copy of the original chromosomes.
1. Define the term biodiversity and explain why biodiversity is necessary for a helpful ecosystem.
2. List 3 things that humans have done to decrease biodiversity
Explanation:
Biodiversity is a combination of various cultures and religions. It helps our ecosystem because together with other cultures and countries we can come up with different and various methods of helping our ecosystem. Like biodiesel and electric cars instead of our emissions polluting the air we breath.