What era was before and after the precambrian?

What happens between meiosis 1 and meiosis 2 that reduces the number of chromosomes

What is meant by the following statement. the cell membrane is semipermeable?

Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that mature hemlocks were abundant but there were very few young hemlocks. She wondered why there were so few young hemlocks.

Areas that have been set aside for the protection of threatened or endangered species are known as:

What would happen if rna polymerase 1 malfunctionw?

What are two important things we use gymnosperms for?

What are some examples of comparative anatomy as evidence of evolution?

A group of students is counting the number of plastic bags placed in a landfill during a single day. what are the students doing? A. starting a promblem b. drawing a conclusion c. making a hypothesis d. collecting data by the way this is ecology!

I need some one to rewrite this paragraph (in the comments) to make better sense im currently writing another one atm and this one is due

What following organisms is considered to be an exception to the cell theory