Organisms need ___________ and _____________ to live.

The study of how organisms interact with one another and with the environment

Organisms are connected to all other organisms and their relationships effect each one's growth and survival.

An interaction between living things in an area

All organisms rely on the nonliving environment for survival

a nonliving part of an environment

Which of the following is NOT an example of an abioitic factor?

Abioic factors have no effect on where organisms can survive

The levels of organization in an environment

a group of individuals of the same species that live in the same place at the same time

organisms that are so closely related that they can mate to produce fertile offspring

all the populations of different species that live in the same place at the same time

a community of organisms and their non-living environment

All abiotic and biotic factors in an area make up the ecosystem

Large regions with similar climate and communities of species are grouped together into

the role a population plays in the ecosystem, such as how it gets food and interacts with other organisms

the place where an organism usually lives

An organism's habitat is a part of it's niche

Two populations within an ecosystem cannot occupy the exact same

The energy from food is the chemical energy in the bonds of molecules within that food

uses chemical energy to make food

Autotroph is another word for

All green plants, algae, and some bacteria are producers

an organism that gets energy and nutrients by breaking down the remains of dead organisms

an organism that eats other organisms

a type of consumer that eats only plants

a type of consumer that eats only meat

a type of consumer that eats both plants and animals

___________ form the base of food chains

What percentage of chemical energy is transferred from one organism in a food chain to the next?

the path of energy transfer from producers to consumers

Decomposers recycle matter back into the soil

The arrow in a food chain or food web points to what the organism eats.

shows the feeding relationships among many organisms in an ecosystem

Food webs are made up of many food chains

Removing one organism from a food web would