SUMMER CAMP W1 READING

Ava, a dedicated biologist, is working in a remote rainforest where she believes there are many undiscovered species. She and her team are still trying to ______ new species that might already be in danger.

• pollinate

• protect

• discover

• increase

Many species have not been ______ because of a lack of funding and experts, so we still don;t know the exact populations of many creatures.

• supported

• assessed

• grown

• maintained

Sea otters are a ______ species because their presence keeps the entire marine ecosystem balanced.

• native

• predator

• keystone

• common

If Aiden notices that sea otter numbers are declining, he worries that sea urchins may ______ and damage the kelp forests.

• grow out of control

• break down

• become extinct

• protect themselves

In a small town, a sudden loss of biodiversity due to pollution and habitat destruction could seriously damage the entire ______.

• desert

• population

• climate

• ecosystem

Some species act as ______ species because they react quickly to environmental changes.

• predator

• indicator

• migrant

• key

Many flowers depend on insects to ______ them so they can reproduce.

• observe

• pollinate

• destroy

• fertilize

Fig trees are a basic food ______ for hundreds of animal species.

• product

• provider

• source

• solution

The cactus moth was introduced to ______ wild cacti in Australia.

• protect

• control

• remove

• study

Some species are called ______ because they naturally live in a certain region.

• rare

• native

• domestic

• agricultural