A zygote consist of how many cells

What is the function of the lungs

What is a genotype and what is a phenotype? Also what are dominant and recessive alleles and how are they written out?

Why must an amoeba move it's cytoplasm around?

A scientist is studying the population of a particular species of beetle in an ecosystem. The beetles currently have an estimated population of 11,500 individuals on a wildlife preserve of 115 hectares. (One hectare is equal to 2.47 acres of land.

When did the first member of the genus Homo evolve?

Explain why magnetic stripes on the seafloor are parallel to the mid-ocean ridge

Define the following terms in your own words food chain, food web and energy pyramid

Compare Prokaryotic cells and Eukaryotic cells.

Select the two systems that are most closely related to the situation or process described: Forming a scab over a cut on your knee Nervous Immune Integumentary Respiratory

A client who has been treated for chronic open-angle glaucoma (coag) for 5 years asks the nurse, "how does glaucoma damage my eyesight?" the nurse's reply should be based on the knowledge that coag: