Identify the process that is necessary for sexual reproduction. Also, explain why it is necessary and identify how this process increases genetic variation.

This type of variable is the one being manipulated by the experimenter? independent variable dependent variable control constant

Which examples represent abiotic factors affecting biotic factors? Check all that apply. -sediment builds up in a riverbed, slowing the river's speed. -ash from a volcanic eruption kills new plant growth. -a hungry raccoon consumes a freshwater clam.

What does gelatinous secretion mean

What is the difference between a trait that has multiple alleles and a trait that is controlled by multiple genes? Give an example of each.

Am I right? A scientist makes a discovery that suggests a hominid species created and used relatively sophisticated tools. The scientist decides to publish his findings.

Which biologist is best known as the father of modern taxonomy?

Find the common radio of the sequence. - 4,8,-16,32,

Grandpa Sam used to tell his grandkids how he first laid eyes on Grandma Sylvia. "When I was courting your granny, I was dazzled by her beautiful, LONG eyelashes. What a looker she was." "Yes, and a handsome man he was too," said Grandma Sylvia.

Jim is categorized as poor. Thus Jim's daily income must be less than how much dollars? Jim must be earning less than dollars per day.

Why does blood pressure decrease as the blood travels from arteriesto arterioles to capillaries?