What are the three ecosystem trophic categories?

A bacteria is considered gram positive when it retains the blue or purple color after decolorizer has been applied. a. True b. False

Describe the difference between negative and positive feedback

The chromosome # 2 in humans is an example of evolution of the genome because following the divergence of humans and chimpanzees from a common ancestor, two ancestral chromosomes fused in the human line.

Which system most likely interact and cause the severity of infections to vary?

Any group of similar cells that perform the same specific function is

Which life cycle describes a plant that reproduces asexually and sexually? A. egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with half the chromosomes B.

What would happen to the mass of a cell in a hypertonic, isotonic and hypotonic?

How do air and water movement, and land masses affect the climate

Under what circumstances does membrane transport always require energy?

What is one disadvantage of using plasma gasification to detoxify hazardous waste?