Science Chap. 4

Zoos practice _______________ _______________ to prevent endangered species, like the panda, from becoming extinct.

Protecting and restoring species and resources is called ___________________.

An oxpecker eating insects off a zebra is an example of ______________________.

The living and nonliving things that surround an organism provide it with the _________________ it needs to survive.

Cutting down too many trees results in ___________________________.

A tapeworm lives in the stomach of its _____________________.

Illegally killing an animal is called __________________________.

The introduction of a ________________ ____________________ usually disrupts the balance of the ecosystem and may endanger the native species.

Each organism is part of a habitat where its _____________ are met.

The release of harmful chemicals into our soil, air, or water is called _______________________.

A _____________ ______________ shows the feeding relationships and the competition for resources among organisms in an ecosystem.

Neither camouflage nor mimicry is considered a ________________________ because they are not behaviors.

Each organism fills a role or __________________ in its habitat.

_________________________ are transferred and circulated through cycles.

Energy from the sun, in the form of sunlight, is transferred to organisms by __________ _______________.

Carbon and water are transferred through ________________ ___________________.

Name the three requirements of a system:

An organism's needs are met by two types of resources.  They are:

Explain how competition occurs in nature between a deer and a rabbit.

How does an oxpecker and a zebra have a relationship that shows symbiosis.

How does a decomposer help an ecosystem?

When a factory spills oil into the ocean it is called _____________ _______________.

Skimming the water or washing plants and animals are ways to clean up after a ________ _______.

When an oil spill happens, the oil company should have to pay for what?