Biodiversity
Energy
Food Chains and Food Webs
Random
Super Random
100

organisms that eats both plants and animals are?

omnivore

100

The hierarchical levels of the food chain where energy flows from producers to primary consumers, secondary consumers and so on is called...?

Trophic levels

100

In a food web, what role do apex predators play?

a) They are the primary consumers                             b) They serve as the main decomposers                      c) They regulate the population of other species        d) They increase oxygen levels of the ecosystem

c) They regulate the population of other species

100

A diagram that describes the arrangement of several overlapping food chains in an ecosystem is called?
1. Energy Pyramid

2. Food Web

3. Pyramid Of Giza

4. Food Pyramid

2. Food Web

100

5 square miles is equal to _____??_____ acres. 

(1 square mile = 640 acres)

3200

200

the way two organisms of different species interact in a relationship in which both individual derives a benefit.

mutualism

200

What are producers and what role do they play?


= organisms that can create their own food through photosynthesis, forming the base of the food chain that provides for other organisms in an ecosystem.

200

Which of the following tends to eat dead matter?

Consumers

Producers

Detritivores

detritivores

200

What is the process called in the ecosystem where it rains?

precipitation

200

What is the migration out of an country to settle permanently in another called?

a) immigration 

b) emigration

c) irrigation


b) emigration

300

competition between members of the same species is known as?

intraspecific competition

300

The percentage of energy which does not move on to the next trophic level?

90%

300

How does energy flow in an ecosystem?

A) Consumers to Producers to Detritivores

B) Consumers to Producers to Decomposers

C) Producers to Consumers to Detritivores

D) Producers to Consumers to Decomposers


D) Producers to Consumers to Decomposers

300

Which is best exemplified by 2 species of ticks feeding on the same deer?

a. Commensalism
b. Parasitism
c. Mutualism
d. Predation
e. Competition

e. Competition

300

This everyday condiment found in almost every restaurant through out the U.S. was first sold as a medicine. 

In the 1830s, Ohio physician Dr. John Cook Bennett began selling ______ as a remedy for indigestion and diarrhea, even creating pills for sale.





ketchup 

400

Ecosystems are the result of ___________ and __________ interactions.

biotic and abiotic



400

The primary source of energy of producers?

sun

400

Which biological term is larger, a population or a community?

 

Community (a group of populations living together)

400

This environment contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.

a. Ocean

b. Tropical rain forest

d. Desert

Desert

400

This certain human body part stays the same size from childhood; however, our nose and ears continue to grow.

eyeballs

500

The ecological rule that states that two species cannot occupy the same niche in the same habitat at the same time due to leading to the local extinction of the less competitive species is called?

competitive exclusion principle

500

Which of the following best describes a negative symbiotic relationship?
a) Striped bass and bluefish eat the same variety of mackerel.
b) Salmonella bacteria in the gut of humans.
c) Mountain lions feed on white-tailed deer.
d) Marsupial animals carry their young in a pouch.

b) Salmonella bacteria in the gut of humans.



500

Which does a secondary consumer primarily eat?


eats primary consumers/herbivores

500

a cyclic loop pattern where the act of amplifying a change in the ecosystem (more prey or more predators) causes a sharp increase or decrease in the stability of the ecosystem.

Positive Feedback Loop


500

This is the only fruit that bears it's seeds on the outside.


strawberry

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