Three things that make up the biosphere

The study of interactions among organisms & their environment is called

A scientist who studies organisms and their environments is called a

Any living thing made of 1 or more cells is called a(n)

This term means all the organisms of one species that live in an area.

All the people living in one area make up that area’s

This term means all the populations that live in an area.

A ecosystem is all the communities interacting with what part of the environment?

The place in which an organism lives (or it's address) is called what?

Habitats must provide (select all correct answers)

Identify the following relationships:

Puppy with Heart-worms.

Identify the following relationships:

Mistletoe and Host Tree. Mistletoe sends its rootlike structures into tree branches, where they absorb water and minerals.

Identify the following relationships:

A clown fish is protected by an anemone’s tentacles.

Identify the following relationships:

A zebra and an egret. As the zebra feeds, it stirs up bugs for the egret to eat.

Identify the following relationships:

Protozoa live in intestines of termites, termites eat wood & protozoa digest wood. Neither can survive without other.

Identify the following relationships:

Nile Alligator and Plover Bird. The alligator gets it's teeth cleaned and the bird gets scraps of food.

Identify the following relationships:

A cheetah hunting down and eating an impala.

Identify the following relationships:

A pack of wolves killing and eating a moose.

This term means when more than one organism seek the same resource at the same time.

Competition is usually most intense between members of the same what?

What can help to identify populations in danger of disappearing.

The size of a population that occupies a specific area is called the what?

Which of the following are often limited in an ecosystem? (Select all correct answers.)

What is anything that prevents the number of individuals in a population.

What is the largest number of one species that an ecosystem can support.

If a population exceeds its carrying capacity, some may not have enough what? (Select all correct answers)

The maximum reproductive capacity for a population is its what?

This term means when a population grows quickly

Which of the following eats plants?

Which of the following eats animals?

Which of the following eats animals and plants?

Which of the following eats dead animals and plants?

What is a method that organisms use for survival?

What is a model of the feeding relationships in an ecosystem?

What is it when producers use minerals (instead of sunlight) to make food?

The presence of _______ limits the number of _______ that can live in an ecosystem

Consumers can’t make their own what?

What are organisms that use outside energy source, (Sun) to make energy-rich molecules?

This term refers to any close relationship between species.