Which two important factors affect cell differentiation? A. Environmental influences and cytoplasmic determinants B. Sperm binding and acrosome reaction C. Sperm binding and cortical reaction

Which organelles converts the chemical energy stored in food into unseable energy

A set of complex feeding relationships in which a single organism might be both a primary and secondary consumer is best shown using a (n) A. ecological level. B. trophic level. C. biomass pyramid. D. food web.

Which step in the process should you do when you write a conclusion? Â A. Provide an outline of the steps and materials used in an experiment. Â B. Evaluate your hypotheses. Â C. State whether the data supports your hypothesis. Â D.

This is an alternative form of a gene.

What two alleles do males have for gender? A. X Chromosomes B. Y Chromosomes C. X and Y Chromosomes D. Sperm cells do not contain sex chromosomes

Which area shows the climax community of secondary succession?

What type of dragon is the submeripper

Does glucose follow the same path as blood in the kidneys

Explain how to predict y-values using the equation of a regression line.

What non-renewable resource, when burned, is the leading cause of increased levels of carbon dioxide in the atmosphere?