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anzhelika [568]
3 years ago
5

What is an adaptive radiation?

Biology
2 answers:
Anuta_ua [19.1K]3 years ago
4 0
<span> c. a rapid increase in the number of related species</span>. Adaptive radiation refers to an event in which a particular linage of organism rapidly diversifies into newly formed lineages that have evolved with different adaptations.
Ilya [14]3 years ago
4 0

The correct answer: C

Adaptive radiation can be defined as the process by which organisms diversify rapidly into new species from a common ancestral species. Any change in the environment conditions creates new challenges and the species become adaptable to the changes, survive and reproduce to increase in population.




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For this question, we will utilize a population of Martians that is in Hardy Weinberg Equilibrium. The dominant Martian phenotyp
Brrunno [24]

Answer:

d.0.48

Explanation:

When a population is in Hardy Weinberg equilibrium the <u>genotypic </u>frequencies are:

freq (AA) = p²

freq (Aa) = 2pq

freq (aa) = q²

<em>p</em> is the frequency of the dominant <em>A</em> allele and <em>q</em> is the frequency of the recessive <em>a</em> allele.

In this population of 100 individuals, 84 martians have the dominant phenotype and 16 have the recessive phenotype.

Therefore:

q²=16/100

q² = 0.16

q=√0.16

q = 0.4

And p+q=1, so:

p = 1 - q

p = 1-0.4

p = 0.6

The frequency of heterozygotes is:

freq (Aa) = 2pq = 2 × 0.4 × 0.6

freq (Aa) = 0.48

5 0
3 years ago
In galapagos finches, Darwin noted that beak size and shape seemed to reflect
Hatshy [7]

...that seemed to reflect the size of seeds the birds ate.

3 0
3 years ago
Which of these is a correct description of the relation?
zvonat [6]
<h3>Answer:</h3><h2>A Reaction is the rate rate which increases with a decrease in temperature.</h2>

It can be physical or chemical; a physical reaction is the one which occurs as a result to an event i.e. anger, happiness, excitement etc. Where as a chemical reaction is illustrates the process a chemical behaves when mixed with another substance.

4 0
3 years ago
Read 2 more answers
Disturbances to an ecosystem, such as fires and floods, are often seen as negative. Describe a situation where
trasher [3.6K]

Answer:

A biological community in which association takes place between the organisms and their physical surroundings is termed as an ecosystem. It can also be defined as an association between the nonliving and living components found within the environment. A particular geographical region, which is specified for the species thriving within it is known as a biome.  

A branch of science, which deals with the natural procedures that comprise fire within an ecosystem and the ecological influences it imparts, the association between the biotic and the abiotic constituents of an ecosystem with the fire, and the role played by fire within an ecosystem is termed as a fire ecology.  

Different kinds of ecosystems like savanna, prairie, coniferous forests and chaparral have originated by the contribution of the fire, which plays an essential role in the renewal and vitality of the habitat. Different kind of plant species needs the assistance of fire to establish, to reproduce, or to germinate. In case, if the suppression of wildfire takes place, it will eventually result in the eradication of various plant species and the animals that rely upon them.  

4 0
3 years ago
The first commercial application of genetic engineering was the use of bacteria to make insulin, a medicine needed by diabetics.
Murljashka [212]

Answer:

The question is incomplete, it lacks options. The options are:

A) It has made the demand for insulin decrease.

B) It has made the incidence of diabetes decrease.

C) It has made it easier for diabetics to inject themselves with insulin.

D) It has made insulin cheaper and more readily available.

The answer is D

Explanation:

Genetic engineering is a biotechnological procedure that involves the transfer of genes from one organism to another using biotechnology. In this case, bacteria cells are said to be genetically modified because their genetic content is tampered with and the genes that produces the insulin protein in humans is added into their genome. Hence, they transcribe and translate this gene to produce the protein-insulin.

Diabetic patients cannot produce this insulin in their system. Hence, the insulin produced from this genetically modified bacteria cells can be administered to diabetics via injection. This genetically modified way of producing insulin has proven to be a far better option to the previous practice of slaughtering cattles and pigs to obtain this protein because the GM method allows insulin to be produced in large amounts making it available and cheaper to diabetics.

7 0
3 years ago
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