how does the number of chromosomes in a sex cell compare with the number of chromosomes in the parent cell

What happens to the species that make up a community during succession

Why do living things need food, water and the ability to get rid of waste?

What region of the diencephalon is responsible for maintaining homeostasis? a. hypothalamus b. hyperthalamus c. thalamus d. hypophysis

Jan's hypothesis was proven to be correct by others students experiments. It's possible her hypothesis can be made into a

Which of the following statements is true about artificial selection

Nerve impulses leading to the brain carry information about cool temperatures on the skin. the nerve fibers sending these signals will most likely belong to which division of the nervous system?

Mary lou's cancer began in her skin and then spread to her liver and brain. what type of cancer does mary lou likely have?

What is allele frequency

Explain what occurs in cell differentiation and morphogenesis

What would most likely be the result of a malfunctioning liver? • difficultly passing urine • inability to grow hair •buildup of toxins •limited feces production