9.1 Study Guide

Question 1

What are the distribution types?

Answer 1

Uniform
Random
Clumped

Question 2

What are common reasons for uniform distribution?

Answer 2

The animal is territorial
Resources are scarce

Question 3

What are common reasons for random distribution?

Answer 3

The environment has even and Ideal resources for the organism.

Question 4

What are common reasons for clumped distribution?

Answer 4

The animal lives in herds
the favorable conditions are localized

Question 5

What is the least common distribution type?

Answer 5

Random

Question 6

What is the most common distribution type?

Answer 6

Clumped

Question 7

What is the definition of population

Answer 7

a group of individuals of the same species in the same areas at the same time.

Question 8

What are the factors the affect population.

Answer 8

Abiotic
Biotic
Intricic factors

Question 9

What are the different options of counting a population?

Answer 9

Direct Count
Indirect Count
Random Sampling
Mark and Recapture

Question 10

What are Abiotic factors?

Answer 10

Sunlight
Temperature
Water/precipitation

Question 11

What are Biotic Factors?

Answer 11

Other living organisms.

Question 12

How to calculate density?

Answer 12

organisms/total area

Question 13

A biologist marked 25 ants in Happy Hallow Park. Over a 2 month period ant traps caught 200 ants. Of the 200 ants, 10 of them were marked. What is the estimated population size?

Answer 13

25/X = 10/20
=50 total ants