All living things are made of cells

If a boy exhibits a sex-linked trait that is carried on the X chromosome, what mustbe true?

1. A cell membrane is primarily made up of what two molecules? a. Phosphate and Nitrogen b. Nitrogen and Ribonucleic Acid c. Phosphate and Lipid d. Lipid and Nitrogen

What is the first activity to occur after fertilization happens in an angiosperm? A). An egg cell forms B). The seed develops C). The pollen grain divides D). The pollen tube begins to form

Which of the following planets has very little atmosphere? Earth Jupiter Mercury Venus

Moth populations changed From mostly like light colored to mostly dark colored in the 1800's. This relates to

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.