Food Webs/Food Chains
Energy Pyramids
Symbiosis
Biodiversity
Random
100

Shows the DIRECT interaction between organisms in an ecosystem 

Food chain 

100

The energy found in an energy pyramid/food web.

the sun

100

A clown fish lives in a sea anemone. The clown fish has a safe place to live and the sea anemone is clean from parasites. This is an example of ________

mutualism 

100

the number of different species in an area is called this

biodiversity 

100

an organism that eats both meat and plants 

omnivore 

200

The order of organisms in a food web or food chain

Producer, primary consumer, secondary consumer, tertiary consumer 

200

The amount of energy that is passed between trophic levels

10%

200

two organisms competing for the same resources,habitat or mate and often both have to exert energy for survival

competition

200

a species that influences the survival of many other species in an ecosystem

keystone species 

200

Relationship when an organism kills another for food 

predation 

300

The term for an organism that cannot make its own food and needs to consume others for food.

Heterotroph

300

As the trophic levels go up in the pyramid, the amount of organisms in each level...

decreases

300

Tapeworms eat food that are already digested so they live in the intestines of animals and take the nourishment from that animal. This causes the animals to become weaker and more vulnerable to diseases. This relationship is an example of _________.

parasitism 

300

Difference between threatened and endangered species 

Endangered Species - a species in danger of becoming extinct in the near future 

Threatened species - a species that could become endangered in the near future


300

Advantages to sexual reproduction 

selective breeding

genetic variation 

400

The role of decomposers in an ecosystem.

breaks down dead & decaying matter to return it to the Earth & make soil

400

If a producer has 80,000 kcal of energy, then the tertiary consumer will get _______ kcal of energy.

80 kcal

400

Barnacles attach themselves to other organisms such as sharks and whales so they can move around and eat. This is an example of ________

commensalism 

400

2 factors that affect biodiversity 

climate, living space/size of an area, niche diversity, genetic diversity, extinction, human impact

400

The REACTANTS of photosynthesis 

Carbon dioxide and water 

500

One of these organisms is BOTH a secondary and tertiary consumer.

Owl

500

Excess energy in an ecosystem is loss as _______.

heat 

500

True or false - parasites always kill the host 

False

500

Two ways humans negatively impact biodiversity 

habitat destruction, poaching 

500

equation for cellular respiration 

oxygen + glucose --> carbon dioxide + water + energy (ATP)