Biology Questions

True, Stress is a factor that contributes to heart disease risk.

More factors that contributes to heart disease risk are blood pressure, cholesterol, smoking, physical inactivity and overeating.

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

Plants are producers, which means they make their own food. Chloroplasts are organelles found in eukaryotic and plant cells that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.

Plants use energy from sunlight to help make their food, but they need chloroplasts to do it.

Hence, in plants, chloroplasts are necessary for Photosynthesis.

The principle of dominance states that some alleles are dominant, while others are recessive.

The given statement "All bones stop growing by the end of adolescence" is a FALSE statement.

Genes are units of heredity.