Answer:
I believe its D
Explanation:
Darwin said that a lot of evolution had to do with natural selection and that seems to be around the same thing.
Answer:
Physical traits are observable characteristics determined by specific segments of DNA called genes.In technical terms, a genetic trait is amenable to segregation analysis rather than quantitative analysis.
Explanation:
Trait is a specific characteristic of an individual. For example, their hair color or their blood type. Traits are determined by genes, and also they are determined by the interaction with the environment with genes. And remember that genes are the messages in our DNA that define individual characteristics.
The answer would be true
Iron is an important substance that needed to create hemoglobin for red blood cells. A pregnant woman will produce more blood as prevention for the blood loss when laboring. The baby also need iron to makes their red blood cells. That is why the iron requirement increases in pregnancy.
About half pregnant woman doesn't meet the requirement iron from diet alone.
Answer:
a
Explanation:
A spider may produce hundreds of eggs, only a few of which may survive. This is an example of a. overproduction.
It is 200 million years because it has been around for a long time.
