Unit 1: Biology Basics

Question 1

Hypothesis

Answer 1

A testable prediction based on observations

Question 2

Independent variable

Answer 2

What the experiment will deliberately change or manipulate in the investigation

Question 3

Dependent variable

Answer 3

What changes in response to the independent variable

Question 4

Control group

Answer 4

Group used for comparison, the “normal” group

Question 5

Experimental group

Answer 5

The group that is being tested

Question 6

Constants

Answer 6

Aspects of the experiment that are held constant

Question 7

Homeostasis

Answer 7

The boys ability to maintain a stable internal environment despite external changes

Question 8

Three domains of life

Answer 8

Bacteria, Archea and Eurkarya

Question 9

Cohesion

Answer 9

The attraction between molecules of the same substance

Question 10

Adhesion

Answer 10

The type of attraction that happens between different molecules

Question 11

High specific heat

Answer 11

The temperate of water doesn’t change easily, this helps regulate the temperature in organisms

Question 12

Less dense as a solid

Answer 12

Solid water (ice) is less dense as a liquid so it floats in water, this makes it so life can lice underwater

Question 13

Water is a terrific solvent

Answer 13

Solution, Solute, solvent and polarity