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malfutka [58]
3 years ago
14

How does the amount of resources affect the evolution of a species? A) Resource availability can cause evolutionary changes in t

raits that increase the fitness of an organism. B) resource availability can cause evolutionary changes in traits that decrease the fitness of an organism. C) resource availability has no effect on the evolution of species. D) resource availability only affects mammals.
Biology
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

C

Explanation:

Resource availability may be the selection pressure, however, it will not lead to evolution. Evolution is by chance whereby offsprings accumulate mutations that result in phenotypic changes that may allow them to access other sources of food.

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8 0
3 years ago
PLEASE HELP
Lelu [443]

The best kind of model for the scientist to use is an interactive model of the planets' orbits on a computer.

<h3>What is the law of orbits?</h3>

Kepler's first law, also known as the law of orbits, describes the shape of planetary orbits. According to this law, the planet's orbits around the Sun are elliptical, despite having very small eccentricities.

For this reason, it is necessary to know all the orbits of the planets in an interactive way, since according to Kepler's law, the orbits decrease over time.

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8 0
1 year ago
In garden peas, the axial (A) flower position is completely dominant to the terminal (a) flower position. You cross a true-breed
xxTIMURxx [149]

Answer:

AA

Explanation:

A true breeding organism for a particular trait is an organism that would produce progeny  with the same trait whe self fertilized.

Hence, since axial flower is represented by the allele A, a true breeding flowering plant will have the genotype AA.

Axial flower (A) is dominant over terminal flower (a).

True-breeding axial flowering plant will have the genotype AA.

True breeding terminal flowering plant will have the genotype aa.

AA is crossed with aa.

AA   x   aa

offspring: Aa, Aa, Aa and Aa.

All the offspring will exhibit axial flowering.

7 0
3 years ago
Which is incorrect descriptions of the genetic event initiated by the HIV reverse transcriptase (RT) upon the HIV infection?
Scrat [10]

Answer:

e. None of these

Explanation:

The immune deficiency viruses (HIV) are retroviruses that use a reverse transcriptase (RT) enzyme to produce a single-stranded DNA (ssDNA) from an RNA template. The reverse transcription allows retroviruses to replicate their genetic material, which is integrated into the host's genome as a double-stranded linear DNA molecule in a similar way to the mechanism of insertion used by endogenous retrotransposons. The synthesis of DNA is started by cellular tRNAs (tRNA3Lys) that are packaged into the virion. After reverse transcription, the HIV DNA enters the nucleus of CD4 immune cells (also known as CD4+ T cells), and then it integrates into the genome to coopt the host's cell machinery for its own replication.

5 0
3 years ago
Which component of fitness receives the greatest benefit from the elliptical machine?
Pie

Answer:

Aerobic exercise such as jogging, elliptical trainer or spin class increases cardiovascular and respiratory endurance. To some extent, they also improve muscular endurance.

Explanation:

Aerobics is a form of physical exercise to help train.

3 0
3 years ago
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