What do many ecologists feel is necessary for an area to be classified as a forest?

a.) several species of trees

b.) enough trees to create a close canopy

c.) consistent warm weather

What are reverse-transcribing viruses?

Lesson 20 : genetics unit test bio at unit 4

Why did we make sure to include a start and stop dna sequences for the jellyfish?

An alpha particle is identical to the nucleus of an

In the chemical process of photosynthesis what is water

What happens to the total charge of the compound after the ions bond together?

How many atoms lined up side by side would equal the thickness of a book page?

If an ambulance hits someone on the road while transporting someone to a hospital, do they bring that person with them too?

Cell biologists have introduced radioactively labeled carbohydrates, fats, and amino acids to living cells, allowed time for cell metabolism, and then placed the cells in a blender and separated out the various cell organelles from the cytoplasm.

Increased production of goods makes our lives more comfortable, but causes an increase in the demand for energy and other resources. One negative impact of this situation on ecosystems is an increase in