In seed plants, which of the following is part of a pollen grain and has a function most like that of the seed coat?

A) sporophyll

B) sporopollenin

C) stigma

D) sporangium

What are the 2 main circulations of the body?

What does the Murphree Water Treatment Plant use to disinfect the water? A - nitrogenB - OxygenC - PhosphorusD - IodineE - Chlorine

Why do birds have enough energy to fly

Where on the map desert

Which derived character is shared by lizards and wolves but not frogs? A. jaw bones B. four-legged locomotion C. amniotic eggs D. vertebral column

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.