How many times do the nostrils of a frog open and close in one minute

What body systems used in playing a video game?

A group of nursing students are preparing for a class presentation to discuss drugs used to treat parkinson disease. which drug would the group include when discussing dopaminergic agents?

Which term is used to describe genes that are located physically close to each other on the same chromosome?

Which abiotic factors play important roles in tropical forests?

What is empirical evidence and what is it not

Critical concentration is Critical concentration is: a. the concentration of tubulin dimers at which assembly is balanced with disassembly. b. the concentration of tubulin dimers at which assembly occurs primarily. c.

Why do all organisms take in matter and rearrange atoms through chemical reactions to form molecules essential for life?

A biologist counts the number of zebras in a population each year and notices an increase in the zebra population. Which describes the biologist's actions? experimentation inference observation interacting

Which is one of the seven characteristics that Mendel observed in pea plants? flower size seed texture leaf shape stem color

When enough experimental data support a hypothesis, the hypothesis becomes a what