Answer:
there are several causes of negative effects when there are endangered species but the number one reaseon is if they die it slowly kills the ecosystem one animal at a time if that animal is part of a food system of life chain.
Explanation:
i hope this helps your welcome boos :) <3
When a species becomes endangered, it is a sign that the ecosystem is slowly falling apart. Each species that is lost triggers the loss of other species within its ecosystem. Humans depend on healthy ecosystems to purify our environment.
10 POINS IM SUPOSED TO TURN THIS IN TODAY!!!
THIS IS THE ONLY ONE I NEED HELP ON PLZ HELP ME!!!
Answer:
glucose <disaccharides <starch<protein
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A forest was completely destroyed by a volcanic eruption. All living organisms were killed. Then, due to the arrival of propagules carried by birds from nearby areas, certain plant species started growing in the forest. These species have started colonizing the forest because they could survive the harsh conditions of the forest. They also facilitated the growth of other species. What stage of succession is taking place in the forest?
Answer:
a
Explanation:
competition
Answer:
Ecesis
Explanation:
I got 5/5 and answered that on plato
Which one of the following is an example of qualitative data? *
Answer:
the is no pictures or equation I'm sorry can you try and upload it again I would love to help
Explanation:
upload
Which of the following best describes the hydrolysis of carbohydrates
Answer:
The addition of a water molecule breaks a covalent bond between sugar monomers
Explanation:
The digestion of carbohydrates by enzymes is an example of a hydrolysis reaction.
Carbohydrates are chains of monosaccharides. Hydrolysis involves the addition of a water molecule that cleaves the covalent bond between the molecules of sugar.
The reverse reaction is a condensation reaction, the joining of sugar monomers to create a carbohydrate releases a molecule of water.
Animals, forests, grasslands, and trees all belong to which sphere? Atmosphere Atmosphere Hydrosphere Hydrosphere Lithosphere Lithosphere Biosphere
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You run 30 PCR cycles using primers that amplify a tandem repeat (let's call it D3T40) on Chromosome 3. Choose all of the statements below that are correct. A. The number of repeats at the D3T40 locus will vary among individuals.B. The size of an individual's amplicons is determined by the number of repeats at the D3T40 locus.C. The primers will anneal to the sequences that flank the D3T40 locus.D. Taq polymerase will amplify the entire length of Chromosome 3.E. About 30 amplicons will be produced at the end of 30 cycles of PCR.F. You can determine the size of an individuals D3T40 amplicons using gel electrophoresis.G. The size of the amplicons produced will vary among individuals.H. The primers used to amplify D3T40 could be used to amplify another locus like the D1S80 locus on Chromosome 1.
Answer:
A b c f and g are true
Explanation:
A is true because when we have different individuals we can observe dna polymorphism.
B is true because the size of the amplicon is determined by the treat count of D3T40 locus
C. Is true because polymorphic sequence are actually flanked by primers
D is false
E is false
G is true
F is false
The statements below that are correct include:
A. The number of repeats at the D3T40 locus will vary among individuals.
B. The size of an individual's amplicons is determined by the number of repeats at the D3T40 locus.
C. The primers will anneal to the sequences that flank the D3T40 locus.
PCR.
F. You can determine the size of an individuals D3T40 amplicons using gel electrophoresis.
G. The size of the amplicons produced will vary among individuals.
It should be noted that DNA polymorphism can be observed among different individuals. Therefore, the number of repeats at the D3T40 locus will vary among individuals.
Also, the amplicon size depends on the number of repeats. Hence, the size of an individual's amplicons is determined by the number of repeats at the D3T40 locus.
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moon phase that is half light and half dark
Answer:
Because a half of the half illuminated Moon can be seen, this is referred to as a "quarter Moon". When the Moon is waxing and reaches this position, it's called the "first quarter Moon"; when waning, the "third quarter Moon."
Orbits: Earth
Explanation:
Answer:
First Quarter Moon
Explanation:....
Explain how capillary action is really just teamwork between adhesion and cohesion
QUESTION 1 (POLL)
We can feed more people with grain than with meat and would
take up less space on our planet to do all this.
SELECT AN ANSWER
True
False
This can not be measured
Answer:
True.
Explanation:
The Burgess Shale biota is significant because it contains the: a. conodont animal b. fossils of rare marine plants c. earliest known benthonic community d. first shelled animals e. carbonized impressions of many extinct soft-bodied animals
Answer: Option E.
carbonized impressions of many extinct soft-bodied animals
Explanation:
The Burgesss shale biota is significant because it contains the carbonized impressions of many extinct soft-bodied animals because Burgess shake biota indicate best example and famous fossil records that contain soft bodied organisms with carbon impression . This fossil contain soft tissues fauna and floral and not mineralised structures which is not present in any other fossils. priapulid and annelid worms that are found in Burgess shale biota
Please help it’s times I’ll mark you brainliest
Answer:
Peptin
Explanation:
3) Two plants are grown using the same light and pots. One plant is given water that has been
microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.
What is not a constant in the experiment ?
Light
Soil
Plant
Water
Answer:
Water
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What is technology?
A. A way to apply science to solve problems
B. A type of scientific experiment
C. A political idea
D. A way to convince people
Answer:
a
Explanation:
i think its A because the rest font make sense
Answer: A
Explanation: the application of scientific knowledge for practical purposes, especially in industry
What allows oxygen to create polar molecules?
Answer:
That the oxygen atom attracts electrons a little more strongly than hydrogen does. So even though the electrons from each atom are attracted by both the oxygen and the hydrogen, the electrons are a bit more attracted to the oxygen.
Which process occurs within the mitochondria?
Answer:
oxidative phosphorylation occurs within the mitochondria
which could describe the properties of sedimentary rock?
Answer:
Sedimentary rocks contain rounded grains in layers. The oldest layers are at the bottom and the youngest layers are at the top. Sedimentary rocks may contain fossils of animals and plants trapped in the sediments as the rock was formed.
Explanation:
Sedimentary rocks are formed by the accumulation and lithification of sediment, which can include sand, mud, and organic matter.
What are sedimentary rocks?Sedimentary rocks are a type of rock that is formed by the accumulation and lithification of sediment, such as sand, mud, and organic matter. They often have layers, or strata, and may contain fossils and other clues about the environment in which they were formed.
They typically have the following characteristics:
Stratification: Sedimentary rocks often have distinct layers, or strata, which can indicate the environment in which they were formed and the sequence of events that occurred during their formation.Learn more about sedimentary rock, here:
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What is the effect of the angle of the Sun on the insolation an area receives?
Answer:The sun angle at a place varies over the course of the year as a result of the constant tilt and parallelism of the earth's axis. As the sun angle decreases, light is spread over a larger area and decreases in intensity (energy input per unit area)
Explanation:
pls help i’m failing so ill give a brainiest n give likes from my other accs !!!
13) A polar bear swims in the ocean and grabs a fish to eat. Which one of the following is true of the polar
bcar?
A) The polar bear is a carnivore that is a predator of fish.
B) The polar bear is an herbivore that is a predator of fish.
C) The polar bear is an herbivore that is prey to fish.
D) The polar bear is a carnivore that is prey to fish.
16) how would an increase in predators likely affect a given prey population ?
A) The growth rate would decrease.
B) The growth rate would increase
C) birth rates would exceed death rates
D) The population would remain unchanged
19) Which one of the following statements best defines the role of a scavenger in the environment?
A) A scavenger gets energy by eating the dead organisms it finds.
B) A scavenger gets energy by breaking down organic wastes.
C) A scavenger gets energy by absorbing sunlight and producing glucose.
D) A scavenger gets energy by hunting and killing its prey.
20) Which one of the following roles is most similar to the role of a scavenger in an ecosystem?
A) Decomposer
B) Producer
C) Parasite
D) Herbivore
21) A vulture swoops down and grabs a dead mouse that it later eats. What is the vulture's ecological niche in
this situation?
A) Predator
B) Decomposer
C) Producer
D) None of the above
22) A type of relationship in which two species live in close association for long periods is known as
A) competition
B) symbiosis.
C) opportunism.
D) cohabitation
Answer:
13 is A
16 is A
19 is B
20 is A
21 is A
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Which statement best describes a population that competes for reproductive purposes?
Animals push each other to access water.
Hyenas quarrel over a fresh animal kill.
Squirrels and chipmunks collect food for the winter months.
Members of the same species battle each other to protect their young.
Answer:
DDDDD Members of the same species battle each other to protect their young.
Explanation:
The statement that best describes a population that competes for reproductive purposes is members of the same species battle each other to protect their young. The correct option is D.
What is competition?Competition is an interplay between life forms or species in which both necessitate a scarce resource.
Competition reduces the fitness of both organisms involved because the presence of one reduces the amount of resource available to the other.
The varying relationships between breeding success and specific traits in the two genders provide a foundation for predicting the shape of gender differences that are likely to evolve.
Adequate nutrition during pre-mating periods was found to have the greatest impact on various reproductive processes in mammals.
Members of the same species battle each other to protect their young, which best describes a population that competes for reproductive purposes.
Thus, the correct option is D.
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There are twenty amino acids in living organisms. Ten of these are referred to as essential amino acids. Why are they called essential amino acids?
These amino acids are the only ones that are important for the body to function properly.
These amino acids cannot be made by the human body and must be consumed in one’s diet.
These amino acids are the only ones that are made by the human body.
.
2nd one
Explanation:
these amino acids cannot be made by the human body and must be consumed in one's diet
they can be synthesized in sufficient quantities in the body.
Which step in the formation of calcitriol is regulated by the parathyroid hormone
Answer:
The word that would fill this space would be calcium. Calcitonin lowers it, calcitriol increases it, and parathyroid hormones balance it out.
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Identify the RNA bases that would pair up with the DNA sequence TGCACT
A. TGCACT
B. ACGTGA
C. UCGUGA
D. ACGUGA
RNA and DNA are two nucleic acids that differ in nitrogen bases. ACGUGA is the RNA base pair that will pair with TGCACT, of DNA. Thus, option D is correct.
What is complementary base pairing?The complementary base pairing has been defined as the pairing of the nucleotides with each other to form the RNA or DNA structures. The base pairs with each other through hydrogen bonding where the reaction occurs between the purines and pyrimidines.
The RNA and DNA structure differs as RNA is made of ribonucleic acid with four nitrogen bases, A, U, G, and C, whereas DNA is made of deoxyribonucleic acid with bases, A, T, G, and C. Both differ in sugar and one nitrogenous base.
According to Chargaff's base pairing rule the purines (adenine and guanine) pair with pyrimidines (cytosine, thymine, and uracil). A forms a double bond with T in DNA and U in RNA, and G forms triple bonds with C.
The given DNA sequence is: TGCACT
The RNA bases for the sequence will be: ACGUGA
Therefore, option D. ACGUGA is the complementary base pair.
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What is the antebrachial?
Answer:
the area of the upper limb between elbow and hand
what is the size of an eukaryotic ribosome ?
Answer:
The molecular mass of a eukaryotic ribosome is ~3.2×106 Daltons.
The diameter of a eukaryotic ribosome is ~250–300 Å. Å, or angstroms, standing for one hundred-millionth of a centimeter.
The ranges of the Eastern meadowlark (Sturnella magna) and the Western
meadowlark (Sturnella neglecta) overlap. To the untrained eye, these species
look nearly identical. However, they rarely breed with each other because they
have very different songs. Which of the following terms applies to these
species?
A. Geographical isolation
B. Behavioral and geographical isolation
C. Behavioral isolation
O D. Temporal isolation
Answer: behavioral isolation
Explanation:
What is the function of the eukaryotic cell?
Answer: Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.
Explanation: Mark as brainllest
Answer:
their functions are different depending upon their location and organism in which they are. for example the cells of stomach wall release mucous, similarly the cell of pancreas release pancreatic juice. and the sieve tube cells help in water transfer from source to sink.
So, all this just depends upon their location and area of labor you can say. Ig i took this last year so i don't remember much
1. What is an example of an illness that requires airborne precautions?
Answer:
measles
Explanation:
Maltase is an enzyme that catalyzes the hydrolysis of the disaccharide maltose. This process occurs during human digestion when maltase is secreted by the intestine and then converts maltose into glucose. Which two classes of biomolecules are directly involved in this process?
A .proteins and carbohydrates
B. lipids and proteins
C. carbohydrates and nucleic acids
D. carbohydrates and lipids
Answer: D
Explanation:
Carbohydrates and nucleic acids are the two main classes of biomolecules which are involved directly in the process of digestion of maltose through maltase enzyme. Thus, the correct option is D.
What is Maltase?Maltase is a an enzyme which belongs to the alpha-glucosidase enzyme family. These are found in the small intestine's brush bordered cells. The hydrolysis of the disaccharide maltose into two simple sugars such as glucose is catalyzed through the enzyme maltase.
Maltose is a disaccharide which is produced by the enzymatic hydrolysis of starch, which is a homopolysaccharide and this is catalyzed by the enzyme amylase. Maltose sugar is further hydrolyzed by the enzyme maltase to produce two molecules of d-glucose.
Therefore, the correct option is D.
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A mutagen is
a living thing that has undergone a mutation.
an agent that causes a mutation in DNA.
a mutation that has affected one gene.
any chemical that can poison living cells.
Answer:
B)an agent that causes a mutation in DNA.
have a nice day
Explanation:
Mutagen is the chemical or biological agent that results in mutation in the genetic or the hereditary material of the living organism. Thus, option B is correct.
What are mutagens?Mutagens are substances that can be chemical or biological and causes alterations and modifications in the genetic material of the organisms. They can cause positive and negative damages in the process of the replication and repair mechanism.
UV rays, X rays, ROS, base analogs, alkylating agents, transposons, viruses, etc., are some examples of mutagens that can cause somatic or germline mutations. They can cause silent, missense, nonsense, deletion, addition, or substitution mutations.
Therefore, mutagens cause a mutation by altering the genetic material.
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