Explain how many of the macromolecules in your body come from food you eat.

Why are the saprotrophs and detritivores are placed to one side of the pyramid

Describe at least three different functions of proteins and explain how the shape of a protein affects its function.

Why does each person have the same genetic makeup as the zygote they developed from

Zac and nina are studying for a psychology test. zac states that heritability refers to the extent to which genes are responsible for an individual's level of a particular characteristic is genetic.

A biology teacher asked students to give examples of genetic variation that support the idea that changes in a population environment affect genetic variation which is the least supportive example

How are nerve cells adapted to carry electrical messages?

If B is dominant for brown eyes and b is recessive for blue eyes, write the genotype and phenotype shown for #1-3. 1. Homozygous dominant 2. Homozygous recessive 3 Heterozygous

Photosynthesis removes A: oxygen from the atmosphere and puts it in food B: sunlight from the earth C: carbon from the atmosphere and puts it in food D: pollution from the atmosphere

For an object to remain at rest, which of the following must be true?

A particular plant has two alleles that control the length of its stem. T represents the dominant allele that codes for a tall stem, and t represents the recessive allele that codes for a short stem.