Species & Habitats
Populations
Species Interactions
Ecosystems
ms sussan
100

What is a species?


A group of organisms that can reproduce and produce fertile offspring.

100

What is a population?

Members of the same species living in the same area at the same time.

100

What is predation?

When one organism hunts and eats another.

100

What is an ecosystem?

A community of organisms interacting with their physical environment.

100

favorite color

red

200

What is a habitat?

The place where an organism lives.

200

Name two factors that increase population size.


Births and immigration.

200

What is competition?


When organisms need the same limited resources.

200

What is a community?

All the populations of different species living and interacting in an area.

200

what pet did she have 

dog

300

What is an ecological niche?

The role of a species in its ecosystem.

300

What is carrying capacity?

The maximum population an environment can sustainably support.

300

What is mutualism?

A relationship where both species benefit.

300

What are abiotic factors?


Non-living factors such as temperature, sunlight, and water.

300

favorite plants

roses and jasmain

400

What is the difference between a habitat and a niche?

Habitat is where an organism lives; niche is its role.

400

What is a limiting factor?

A factor that restricts population growth, such as food or space.

400

What is parasitism?

One organism benefits while the other is harmed.

400

What are biotic factors?


Living components such as plants, animals, and bacteria.

400

husbands ocupation

brainsurgen 

500

Why can two species with identical niches struggle to coexist?

They compete for the same limited resources.

500

Why does population growth slow as it approaches carrying capacity?

Resources become limited, increasing competition and reducing growth.

500

What is the difference between intraspecific and interspecific competition?

Intraspecific occurs within one species; interspecific occurs between different species.

500

How can a decrease in rainfall affect an ecosystem?

Less water can reduce plant growth and affect animal populations.

500

favorite student 

Zayed and Ahmed