__________________ is a process in angiosperm plants in which two sperm are required to fertilize the contents of the embryo sac.

You are tasked with estimating the number of oak trees in a large forest. What sampling method would you use to determine this?

True or False: Evidence suggests birds are the direct descendants of dinosaurs.

When land plants started using up all the atmospheric CO2, what impact did this have on the global climate?

What is not a function of dermal tissue in plants?

How many years are represented by one ring on a tree?

Which of the following do prokaryotes lack?

Which of the following phyla correctly match their common name?

Plants that lack vascular tissue are called:

Where are protists most often found?