APES Unit 3: Populations - Lesson 1: Introduction to Populations

How do populations grow/change over time? Population = B + I - D - E. Emigrated this way. How many rats are now in the population?

• The population increases by births and immigration.

• The population decreases by deaths and emigration.

• The population remains constant.

• The population is calculated as B + I - D - E.

Case-Study: Elephants. Why are ecologists trying to count elephants?

• To monitor their population for conservation efforts

• To study their migration patterns

• To understand their social behavior

• To track their health and diet

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Fill in the blank: Generalist species have a ______ range of tolerance.

• wide

• narrow

• limited

• restricted

Match the following Life History Strategies with their characteristics:

• Type I

• 3-6 offspring, average parental care, constant loss

• Type II

• Few offspring, high parental care, late-loss

• Type III

• Many offspring, low parental care, early-loss

​ Match the following is an examples to K-selected species or r-selected species?

• K-selected species

• Rats

• r-selected species

• Elephants

• r-selected species

• Roaches

• r-selected species

• Frogs

• K-selected species

• Kangroos

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

What is the Niche Strategy for a Specialist?

• Generalist

• Specialist

These animals have specific diet and climate requirements

• Extinct

• Generalists

• Specialists

• Endangered

Tags

3.1

These animals might be in trouble if their habitat changes

• Generalists

• Specialists

• Endangered

• Extinct

Tags

3.1

Which type of animals can adapt to a wide range of habitats?

• Generalists

• Specialists

• Endangered

• Extinct

Tags

3.1