Over time, some plants growing in an area are crowded out by other plants. The new plants use up water and nutrients needed by the previous plants. The disappearance of the first plants is due to

Which of the following groups is made up of organisms that are most similar genetically A. Phylum B. Order C. Class D. Genus

If a dna molecule is made up of 42% guanine what percent of it would be adenine

How do cells maintain water balance through osmosis? If a salt water fish is placed in a fresh water aquarium, water will leave the fish's cells. In the experiment, the only isotonic solution was the 10% salt water solution.

What phases make up the cell cycle?

The male reproductive glands, which produce sperm and hormones, are the

What is Vegetation propagation? Write its Advantages

List 6 forms of renewable energy and compare the advantages and disadvantages of each

Black hair is dominant to red hair two black cocker spaniels have 12 puppies 9 black and 3 red what is the genotype of each parent

Which action may have caused botulism? A. Defrosting the chicken on the counter. B. Using the same cutting board for chicken and lettuce without washing it. C. Consuming tuna from a dented, bulging can. D.

How does the body use energy?