I need to know more about sharks. does anyone have any advise?

The two parts of meiosis are A. reduction and division. B. reduction and duplication. C. duplication and crossing over. D. reduction I and reduction II

Classify the following as definitions or examples of chemical digestion or mechanical digestion. Because of the nature of this process, some choices will be used more than once. Other choices may not be used at all a. Chemical digestion b.

Explain which parts of a plant are often preserved as a fossil

The reproductive organs are located in what cavity

What caused the creation of mitochondria? A. One cell took over another cellb. Life forms became more complicatedc. Cells needed more energyd. DNA was shared between cells

A child has sickle-cell disease (ss) but neither parent is ill. What must be true of her parents genotypes? A. the father is heterozygous; the mother is normal B. both parents are heterozyhous carriers C. one parent has two ecessive alleles D.

What's the meaning of existence

Which phrase best describes a biome? a community and its abiotic features an interacting community of different species a group of individuals of the same species a large area dominated by specific kinds of organisms

The parent of a 3-month-old infant is concerned because the infant does not yet sit by oneself. Which statement best reflects average sitting ability?

What is the general term used to describe a group of diseases in which intestinal uptake of nutrients is impaired?