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Describe the type of plants that serve as pioneer species, intermediate species, and climax community species in secondary succe

MissTica

In secondary succession, the pioneer species are plants that are adapted to exploit disturbances rather than bare rock. They typically include plants such as grasses, birch trees, and fireweed. Organic matter from the pioneer species improves the soil so other trees and plants can move into the area.

7 0

3 years ago

A male cardinal's red color is an example of a trait affected by natural selection. The females of the species choose mates

kompoz [17]

Answer:

In the cardinals, if the females start using a different criterion than the color of the feather when they choose couple, most likely to happen is that decreased variation in the shades of red because no form of the trait is advantageous.

Explanation:

Options for this question are:

Increased variation in the shades of red because the selection pressure has been relieved.
Increased variation in the shades of red because the cardinals try different ways to impress the females.
Decreased variation in the shades of red because no form of the trait is advantageous.
Decreased variation in the shades of red because the only reason for variation was selection pressure.

In the context of natural selection, male cardinals court females using the coloring of their feathers as a form of sexual selection. This means that the shades of red in the feathers are a selection criterion in these birds, and the more visible shades represent an advantage.

But, if the selection criterion was not the color of the feathers, this trait would no longer represent an advantage in the competition between the males to be chosen as a mate. Instead, the trait that would determine sexual selection would be the one that experiences an increase in its variation.

5 0

3 years ago

How does the study of genetics and DNA help the study of evolution

Anna [14]

Till this day We are always learning more and more so I think this can be helpful for future vaccines of diseases

5 0

3 years ago

identify the types of questions that interest behavior geneticists, and describe the elements of heredity: chromosome, dna, gene

baherus [9]

The interaction between genetics and environment and how this affects behavior, resulting in individual variances, is of particular interest to behavior geneticists.

The environment in this context refers to every external, nongenetic component of our life, including prenatal nutrition and the people and objects in our immediate surroundings.

Chromosomes:

Each of our cells contains 46 chromosomes, 23 from our mother and 23 from our father. Chromosomes are complicated, spiraling molecules formed of DNA that resemble threads and contain genes.

DNA:

We have over 30,000 genes, which are DNA segments that, when activated (expressed), serve as templates for the synthesis of different protein molecules, which serve as the foundation for our physical and behavioral growth.

Genome:

The entire collection of instructions for creating an organism, included in all of its chromosomal genetic material, is called an organism's genome.

Gene:

Combinations of mutations at certain gene locations serve to distinguish us from one another. The majority of human features are not controlled by a single gene acting alone, but rather by a number of genes working together.

For more questions like Heredity elements click the link below:

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7 0

1 year ago

An organic compound consists of which of the following elements? A. carbon B. helium C. potassium D. all of the above

earnstyle [38]

An organic compound consists of carbon...

3 0

3 years ago