Explain why some traits cannot be easily changed even though they are heritable

Decomposers are organisms that

Why is laser lights so important for us? 6-7 sentences

Why are mitochondria called the powerhouse of cells

If you cross two parents that that area aa and aa, then self pollinate one of their f1 offspring what is expected genotypic ratio of the f2 population

Very cold periods in earth's history resulted in which of the following? A. Deposits of pollen B. Tree rings C. Glaciers D. Sunspots

What happens when the mantle melts?

A human ingests a tapeworm. The tapeworm lives in the human's intestines and absorbs nutrients, preventing the human from receiving vital nutrition. Which type of organism is the tapeworm? decomposer host parasite predator

Genetic mutations pass to offspring in gametes because gametes A) are not germ cells. B) make up all internal organs. C) do not divide during mitosis. D) fuse during sexual reproduction.

How can you tell that a sperm cell is animal cell and not a plant cell?

The all-or-nothing principle means that a. All the nerve impulses go to the brain b. An entire neuron depolarizes to its maximum strength c. All the potassium ions on one side of the cell membrane move to the other side of the cell membrane d.