Why do biologist classify organisms

An organism has a diploid number of 60. What is the organism's haploid number? Ο Α. 120 Β. 15 Ο ΟΟΟ C. 30 Ο D. 60

The stress glucocorticoid that is produced in humans is called: a. adrenalin b. estrogen c. cortisol d. repression

Describe a major distinction between most plant cells and animal cells

Cells can best be described as: A) the smallest form of matter. B) tiny particles found in food. C) part of the air people breathe. D) building blocks of all living things.

GDP is Select one a. the value of all final good and services produced anywhere in the world by a nation's firms b.

What is the dependent variable? Also what is the Testing Variable.

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?

Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out? a. Plants are secondary consumers. b. Plants also use cellular respiration. c. Plants extract ATP from the stars. d.

Describe 4 ways that we know the global climate is changing