Unit 6: Vocab + Grammar

All types of dinosaurs went extinct long time ago.

• thrived

• boomed

• survived

• died out

……… is the existence of a wide variety of plant and animal species living in their natural environment.

• Biodiversity

• Conservation

• Globe

• Individual

Darwin's theory of evolution incorporates the principle of natural selection.

• radical revolution

• gradual development

• radical resolution

• practical involvement

Plants and trees can be …………. like animals. The lady slipper orchid is an example.

• danger

• endanger

• dangerous

• endangered

A/ an ……… species is a population of an organism which is at risk of becoming extinct.

• dangerous

• endanger

• endangered

• endangerment

The saola is threatened primarily by hunting, rather than …………

• habitual loss

• loss of life

• habitation loss

• habitat loss

……… is the protection of environment and natural resources.

• Survival

• Commerce

• Conservation

• Extinction

How would we feel if the animals ruled the world and we became the ones in ……… extinction?

• danger

• endangered

• dangerous of

• danger of

Turtle enclosures save baby turtles from natural predators like birds, crabs, and lizards.

• survivors

• hunters

• savers

• protectors

The saola is also indirectly threatened by insufficient ……… to and investment in its conservation.

• interest

• attention

• care

• treatment