Study Goals Final Exam Week 14

Question 1

Ecology

Answer 1

The study of how organisms interact with each other and their environment

Question 2

Biogeography

Answer 2

The study of how organisms are distributed geographically and through geologic time

Question 3

What is an organism’s range?

Answer 3

The range of conditions that a species can tolerate and the range of resources it can use

Question 4

What is an organism’s niche?

Answer 4

A product of many abiotic & biotic factors, both present & past

Question 5

What factors enhance or limit an organism’s range and niche?

Answer 5

-Temperature & Climate
-Resource Availability
-Reproductive Strategies
-Adaptations to Local Conditions
-Dispersal Mechanisms
-Symbiotic Relationships
-Predation/Disease
-Physical/Climate Barriers
Competition

Question 6

What is the difference between climate and weather?

Answer 6

-Climate is the long-term weather conditions found in an area occurs relatively predictable global patterns
-Weather is the specific short-term atmospheric conditions of temperature, precipitation, sunlight, & wind

Question 7

Why are the tropics warm and the poles cold?

Answer 7

The tropics are warm due to receiving more sunlight and cold due to receiving less sunlight

Question 8

What causes seasonality in weather?

Answer 8

The Earth’s distance from the Sun varies as it moves around the Sun

Question 9

What is an adaptive radiation?

Answer 9

When a single lineage rapidly produces many descendant species with a wide range of adaptive forms

Question 10

What is the difference between a background extinction and mass extinction?

Answer 10

-Mass Extinction is the rapid extinction of a large number of diverse species around the world(at least 60%)
-Background Extinction is the lower, average rate of extinction observed when a mass extinction is not occurring