Answer:
Plants have two main types of asexual reproduction: vegetative reproduction and apomixis. ... Bulbs, such as a scaly bulb in lilies and a tunicate bulb in daffodils, are other common examples of this type of reproduction. A potato is a stem tuber, while parsnip propagates from a taproot.
Explanation:
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25 POINTS!!
How does DNA change from generation to generation in asexual organisms?
1. Cloning
2.Mutation
3.Variation
4. Gene pairing
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Answer: All of them but option 2
Explanation:
WILL GIVE BRAINLIEST
Biomagnification ______.
a.) causes a 90% loss of synergy higher on the food chain
b.) is caused by the ecological succession from a disturbed area to a climax community
c.) is introduced into an ecosystem through nonpoint pollution sources
d.) happens when an increased concentration of a substance accumulates in body tissues
e.) is the transportation of pollution from one ecosystem to another
Answer: Causes of Biomagnification. The release of toxic chemicals and pollutants into the environments such as the seas, air, and land results in the accumulation of toxins and harmful substances in the environment.
Which of the following describes how carbon dioxide is produced ?
through respiration
through consumption
through decomposition through photosynthesis
Explanation:
through consumption it is produced
Three sources of genetic variation are
A. genotypes, phenotypes, and polygenic traits
B. sexual reproduction, lateral gene transfer, and mutations
C. single-gene traits, polygenic traits, and adaptation
D. directional selection, disruptive selection, and stabilizing selection
Answer:
B
Explanation:
Describe two things that would happen in an ecosystem if there were no unicellular organisms.
Answer:
shortageof oxygen.
plant life are affected
Explanation:
There would be a shortage of oxygen and there would be little to no plant life.
What type of tropism this picture represent?
A) gravitropism
B) phototropism
C) thigomotropism
Answer: Gravitropism
Explanation:
The plant is growing upwards, defying gravity so it is negative gravitropism
Explain how too much carbon dioxide in the atmosphere causes these changes.
Answer: Carbon dioxide becomes a poisonous gas when there is too much of it in the air you breathe. Besides the effects it can have on the planet and the atmosphere, carbon dioxide poisoning can lead to central nervous system damage and respiratory deterioration in humans and other breathing creatures.
Explanation:
What is the potential energy of a 5kg apple that is sitting on a 1.5m high tree branch?
Answer:
73.5
Explanation:
can someone do #11 for me
Answer:
The correct answer is -
a. Amino acid
b. dipeptide
c. dehydration synthesis.
Explanation:
The monomer is a molecule that reacts with one or more monomer molecules to form a chain or polymer. In the given reaction the two amino acids react together to form a dipeptide.
The dimer is a molecule that is made up of two monomers and in this reaction, two amino acids form a dimer dipeptide. The dehydration synthesis is a reaction in which a water molecule is lost.
The millions of tiny air sacs in the lungs are called
Answer:
Alveoli
Explanation:
Answer:
AlveoliExplanation:
Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in, and keep your body going.
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Gametes in humans are
a. Sperm cells
b. Egg cells
c. Sperm or egg cells
d. X or Y chromosomes
Answer:
c
Explanation:
they are also known as sex cells
Answer:
Sex Cells (Sperm & Egg Cells)
A change in the thermal energy can cause other changes to occur in the substance. Which of the following could occur as a result of decreasing the thermal energy of a gas?
Answer:
radiation
Explanation:
What are the steps of gene expression?
Answer:
The process of gene expression involves two main stages: Transcription: the production of messenger RNA (mRNA) by the enzyme RNA polymerase, and the processing of the resulting mRNA molecule.
...
Translation involves four steps:
Initiation. ...
Elongation. ...
Termination. ...
Post-translation processing of the protein.
Explanation:
Describe one of the three types of volcanoes we discussed today
Answer: Shield, Cinder Cone, and Composite volcano.
Explanation: A shield volcano is a volcano that is formed with lava is very runny and spreads to a wide area and then cools to form a shield volcano. These are common at Hawaii.
A cinder cone volcano is the smallest volcano. It's made from minor eruptions and cinders. They're short and usually erupt for a short period of time. Mexico's Parícutin volcano, is a cinder cone.
Composite or stratovolcanoes are the most common type of volcano. They form from thick, less runny lava. Since it is so thick, it cools then makes the volcano taller. Mount st helens, in Washington state is a stratovolcano.
True or false during meiosis chromosomes are moved by the microtubules of the spindle apparatus
This is a map of a _ landform because ?
ASAP
Answer:
This is a map of a Mountain landform because the rings get smaller until the top of the mountain. Also the altitude goes up until it reaches the top.
Explanation:
Which sphere is oxygen in our blood part of?
Lithosphere
Biosphere
Mesosphere
Atmosphere
Answer:
The biosphere is the sphere that oxygen in our blood is part of.
what does a boy do when they like u?
they act like they have the right to treat you like dodo but if he is nice he will be prob either shy or hide his feelings.
Only number 2,3,4????????
How do the profile plot amplitudes of all three muscle types (skeletal, cardiac and smooth muscle) compare?
How are Earth and Saturn similar?
They both have the same mass.
They both would float in water because of low density.
They both have the same number of satellites.
They both have seasons caused by a tilted axis.
4. What role do carrier proteins play in facilitated
diffusion?
Answer:
Carrier proteins can change their shape to move a target molecule from one side of the membrane to the other. ... The carrier proteins involved in facilitated diffusion simply provide hydrophilic molecules with a way to move down an existing concentration gradient (rather than acting as pumps).
List the 4 structures that all cells have.
Distinguish between cilia and flagella.
muscle cells require a lot of energy to contract and produce movement in the body. What organelles do you think they have more of than other cell?
Answer:
- Cell membrane
- Cytoplasm
- DNA
- Ribosomes
Muscle cells need more mitochondria to produce enough energy to function
A forest fire took over this forest ecosystem, burning a majority of the trees in the area. How would this forest fire impact different two different consumer populations in this ecosystem?
Answer:
Herbivore and carnivores.
Explanation:
This forest fire greatly affected two consumer populations such as herbivores and carnivores because herbivores has no food available due to forest fire. The unavailability of food for the herbivores leads to the decrease in herbivore population that also adversely affected the population of carnivore ( those organisms that feed on herbivores) so both are affected from the forest fire.
What are two ways to identify NESW?
Answer:
-The sun
-shadow
Explanation:
-The sun rises in the general direction of east and sets in the general direction of west every day, so you can use the location of sunrise or sunset to get an approximate idea of direction.
-The shadow will always move - or, more precisely 'grow' in the west-to-east direction. (Before noon, when the sun is rising, the shadow will grow shorter and after noon when the sun is setting, the shadow will grow longer)
What methods are used to classify living things into groups? 44 POINTS
Answer:
taxonomy
Explanation:
Answer:
it is classified in these level:
kingdom, phylum, classes, order, families, genus, and species.
Where in cells does most of cellular respiration take place?
Answer:
Mitochondrion
Explanation:
The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.
What about DNA’s structure /shape makes it the perfect molecule for heredity and genetics?
Heredity, Genes, and DNA
Perhaps the most fundamental property of all living things is the ability to reproduce. All organisms inherit the genetic information specifying their structure and function from their parents. Likewise, all cells arise from preexisting cells, so the genetic material must be replicated and passed from parent to progeny cell at each cell division. How genetic information is replicated and transmitted from cell to cell and organism to organism thus represents a question that is central to all of biology. Consequently, elucidation of the mechanisms of genetic transmission and identification of the genetic material as DNA were discoveries that formed the foundation of our current understanding of biology at the molecular level.
Genes and Chromosomes
The classical principles of genetics were deduced by Gregor Mendel in 1865, on the basis of the results of breeding experiments with peas. Mendel studied the inheritance of a number of well-defined traits, such as seed color, and was able to deduce general rules for their transmission. In all cases, he could correctly interpret the observed patterns of inheritance by assuming that each trait is determined by a pair of inherited factors, which are now called genes. One gene copy (called an allele) specifying each trait is inherited from each parent. For example, breeding two strains of peas—one having yellow seeds, and the other green seeds—yields the following results (Figure 3.1). The parental strains each have two identical copies of the gene specifying yellow (Y) or green (y) seeds, respectively. The progeny plants are therefore hybrids, having inherited one gene for yellow seeds (Y) and one for green seeds (y). All these progeny plants (the first filial, or F1, generation) have yellow seeds, so yellow (Y) is said to be dominant and green (y) recessive. The genotype (genetic composition) of the F1 peas is thus Yy, and their phenotype (physical appearance) is yellow. If one F1 offspring is bred with another, giving rise to F2 progeny, the genes for yellow and green seeds segregate in a characteristic manner such that the ratio between F2 plants with yellow seeds and those with green seeds is 3:1.
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Answer:
Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.
Q3->Because their outermost orbit is complete. In Mendeleev's original periodic table there was no place reserved for noble gas. They were discovered in end of 19th century. So Mendeleev created zero group without disturbing original periodic table.
Explanation: