Parasitism

a type of symbiosis where one-organism benefits and the other is harmed. EX: Mosquito feeds on human or dog

 a close relationship between two organisms where are lives near on or in the other and at least one organism benefit.  3 types: commensalism, mutualism, and parasitism.

 Catching, killing, and eating other organism.

powerful effect on location and size of a population. Organisms compete for food, shelter and other resources.

 Food chain 

a series of events in which food and energy are transferred from one ecosystem to another.

consists of many overlapping food chains. The food and energy links among the producers and consumers in an ecosystem.

 source of all food in an ecosystem. All food chains begin with producers.

an organism that feeds directly or indirectly on producers. EX: bear

 Breaks down organisms into simpler substances

a consumer that eats plants

A consumer that eats meat and other animals

A consumer that eats both meat and plants.

 living organisms. EX: insects, plants, animals

non-living organisms. EX: sand, water, rock

 resources in an ecosystem (or shared) by means of wind, water, and animals

 the number of organisms living in a specified area. EX: 10 deer per acre of land.

 a factor that limits the growth of a population in an ecosystem EX: severe weather events, amount of rainfall

 is a group of organisms of the same type, living in the area. 

the living part of any ecosystem all the different organisms that live together in that area. EX: pond- ducks, frogs, fish.

    Habitat

    s the places in which organisms live that provides food, shelter, and other resources used for survival

     Sampling-

 counting the number of organisms in a small area and multiplying to estimate the number in a larger area.

is the study of organisms and their interactions with living things and their surroundings.

 the temperature and weather in an environment/ecosystem