ASU BIO 100 EXAM Questions and Answers

A fungus and an algae grow together to produce what we call a lichen. When investigators separate out the fungus from the alga and try to grow them in the same habitat but each alone, they all die. What hypothesis most logically explains this phenomenon? Ans: The fungus and the algae have a m...

What is the smallest unit of life? Ans: Cells To which kingdom do single celled organisms with considerable internal complexity belong? Ans: Protista What is the difference between prokaryotes and eukaryotes? Ans: Prokaryote- has no nucleus (free DNA) Eukaryote- has nucleus List the four st...

Boreal/Coniferous Ans: Coniferous trees, relatively cool Evolution Ans: Mechanism for change in species over time Mitosis Ans: Growth, regeneration, two daughter cells, genetically identical Meiosis Ans: Reproductive, four haploid cells, genetically different Eukaryotes Ans: Larger, has nuc...

atom Ans: the smallest particle to which matter can be broken down molecule Ans: substance formed by the chemical bonding of two or more atoms cell Ans: the functional unit of life; all living things are composed of them; the smallest living unit of an organism tissue Ans: a group of cells ...

Compare and contrast how positive and negative feedback mechanisms are used to maintain homeostasis. Use these concepts to describe: a. The maintenance of blood glucose levels b. The release of platelets to form blood clots Ans: a. negative feedback - insulin is produced by the pancreas b. po...

Biology Ans: the study of living organisms and how they interact with their environment Ways of Studying Living Organisms Ans: 1. Philosophical 2. Scientifically a. through observation b. asking questions c. doing experiments d. looking at results Levels of Life (Big to Small) Ans: 1. Bi...