Science (Biology) yr8

Front

What is extinction?

Back

Extinction is when there are no more individuals of a particular species left anywhere in the world.

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What is competition in biology?

Back

Competition is when animals compete with each other to get enough resources to survive.

Front

What do animals compete for?

Back

Animals compete for food, water, shelter, and mates.

Front

How many chromosomes are in a human cell nucleus?

Back

There are 46 chromosomes arranged inside the nucleus of a human cell.

Front

What is an adaptation?

Back

An adaptation is a characteristic that helps an organism survive in its environment.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is the role of a waxy layer in desert plants?

Back

A waxy layer helps desert plants retain water and reduce water loss.

Front

What is the difference between endangered and extinct species?

Back

Endangered species are at risk of extinction, while extinct species no longer exist.

Front

What is the significance of competition in ecosystems?

Back

Competition helps regulate population sizes and maintain balance in ecosystems.

Front

What are some examples of animal adaptations?

Back

Examples include camouflage, sharp claws, and nocturnal behavior.