bio exam

What percentage of the Earth is covered by water?

• 78%

• 73%

• 71%

• 75%

Describe the difference between oceanography, marine biology, and ecology.

• Oceanography- the study of all aspects of the ocean

• Marine Biology- the study of animals and plants that live in the sea

• Ecology- the branch of science dealing with the relations living things have with eachother and to their environment

• Marine Biology- the science that deals with animals and plants that live in the sea

• Ecology- the science of animals and planta that live in the sea

What was the purpose of the HMS Challenger's voyage? Why is it important to marine biology and oceanography?

• The first expedition that went across the Pacific to study the Galapagos Islands.

• It was the first expedition organized specifically to gather data on a wide range of ocean features.

• It helped discover lots of information about the marine envoronment

• It discovered the different species of Iguanas

Describe a habitat.

• Where eggs are laid

• Where mating happens

• An animals role in an environment

• A specific place in an environment where an organism is found.

What is a niche

• What an organism does (it's many jobs) in its environment

• A group of habitats

• The type of egg an organism gives birth to

• A type of habitat

Examples of abiotic factors

• water

• bacteria

• soil

• temperature

Examples of biotic factors

• soil

• plants

• bacteria

• animals

Describe a community

• Includes populations of different species that occupy the same habitat. They are linked through a variety of different relationships.

• Different habitats in the same place.

• A group of populations

• A place with many environments in it.

What is a population?

• Different envorionments together in one place

• A group of the same organisms gathering together.

• A group of the same species that occupies the same location. They interact with eachother and are able to breed with eachother.

• A group of different species that occupies that same location. They interact with eachother and are able to breed with eachother.

Describe endothermic

• Warm blooded, body heat varies depending on their environment

• Warm blooded, produce their own body heat

• Cold blooded, produce their own body heat

• Cold blooded, body heat varies depending on their environment