Which of the following is a disadvantage of artificial selection?

Does not allow selection of traits

Creates inferior versions of organisms

Reduces the variation in a certain species

Reduces yield of food from animals and crops

What would cause antibodies to attack the cells of the body? The cells support bacterial growth. The cells are worn out and need to be replaced. The antibodies mistakenly identify the cells as foreign material. The red blood cells are malfunctioning.

How does the sun supply living things with the energy they need?

Which intercellular communication type changes membrane permeability? A. Transmembrane Receptor B. Molecular Receptor C. Enzyme-linked Receptor D. Ion Channel-linked Receptor

In a plant cell, DNA can be found in? A. mitchondria B. the nucleus C. chloroplasts D. all of the above

When an organism has two of the same alleles for a trait it is said to be

A plants can have either brown b. or red b. leaves. Brown is the dominant trait is a plane as a genotype Bb which best describes the plant. a. Homozygous with brown leaves. b. Heterozygous with red leaves c. Homozygous with red leaves. d.

Is the following genotype homozygous dominant, homozygous recessive, or heterozygous? Gg

As part of an experiment to measure decomposition rates of different materials, students put food scraps from the cafeteria in compost bin A and leaves and grass clippings in compost bin B for six weeks.

The arctic tundra can be found in

Brown bears gain weight during the summer months so they can hibernate during winter. is it adaptation or acclimation