What is the term for species that are at risk of extinction?

• Existing

• Threatened

• Extinct

• Endangered

Which of the following is a characteristic of living things?

• They can move

• They can fly

• They can swim

• They can talk

What is the main focus of the unit titled 'Existing, Endangered, Extinct'?

• Human behavior

• Animal classification

• Biodiversity

• Plant growth

Which of the following is NOT a type of consumer in a food chain?

• Decomposer

• Carnivore

• Herbivore

• Producer

What is the purpose of decomposers in an ecosystem?

• To consume plants

• To produce energy

• To provide shelter

• To break down dead matter

Which of the following is an example of a physiological adaptation?

• Long neck

• Hibernation

• Sharp claws

• Camouflage

What is the term for the variety of life in a particular habitat?

• Ecosystem

• Biodiversity

• Community

• Population

Which of the following factors can threaten biodiversity?

• Urbanization

• Conservation

• Sustainable practices

• Reforestation

What is the role of apex predators in an ecosystem?

• To provide food for decomposers

• To compete with other predators

• To increase biodiversity

• To control herbivore populations

What is a common consequence of habitat destruction?

• Increased biodiversity

• More food sources

• Species extinction

• Improved ecosystems