Ecosystems

Question 1

What is the biosphere?

Answer 1

portion of earth that supports life

Question 2

What is the biotic factor?

Answer 2

living factors in the ecosystem

Question 2

What is the abiotic factors?

Answer 2

non living factors in the ecosystem

Question 3

What are the levels of organization?

Answer 3

organism, population, community, ecosystem, biome, biosphere

Question 4

What is population?

Answer 4

individual organisms that come from the same species that live in the same geographic location and time.

Question 4

What is population?

Answer 4

individual organisms that come from the same species that live in the same geographic location and time.

Question 5

What is community?

Answer 5

a group of populations

Question 6

What is ecosystem?

Answer 6

a community + abiotic factors around it

Question 7

What is a biome?

Answer 7

a group of ecosystems with similar types of communities

Question 8

What are the 5 things every ecosystem should contain?

Answer 8

producers, consumers, decomposers/detrivores, physical environment

Question 9

What are producers?

Answer 9

plants that make their own food

Question 10

What are primary consumers?

Answer 10

herbivores, they eat the producers

Question 11

What are secondary consumers?

Answer 11

carnivores, they eat the herbivores

Question 12

What are tertiary consumers?

Answer 12

carnivores, eats other carnivores (secondary consumers)

Question 13

What are quaternary consumers?

Answer 13

carnivore that eats the tertiary consumers, they are the top carnivore

Question 14

What is niche?

Answer 14

role an organism plays in it’s environment

Question 15

What are the three community interactions?

Answer 15

feeding among the organisms, competition among organisms, interactions between organisms and environment

Question 16

What is “feeding among the organisms”?

Answer 16

animals, plants, and decomposers are constantly recycling the same nutrients through the ecosystem

Question 16

What is “competition among organisms”?

Answer 16

animals compete for food shelters, and resources. plants compete for carbon dioxide, air and water

Question 17

What is “interactions between organisms and environment”?

Answer 17

plants absorb carbon dioxide and water from the environment

Question 18

What is predation?

Answer 18

act of one organism consumer the other

Question 19

Who is the prey and predator?

Answer 19

the prey is the one being pursued, the predator is the one that pursues

Question 20

What is the prey and predator between lion and deer

Answer 20

the deer is the prey
the lion is the predator

Question 21

What are the three symbiotic relationships?

Answer 21

mutualism, commensalism, and paratism?

Question 22

What is mutualism and give example

Answer 22

mutualism is the relation when two organisms benefit between each other. ex: bacteria living in a plant, plant gives bacteria a place to live, bacteria absorbs nutrients from the soil needed by the plants

Question 23

What is commensalism and give example

Answer 23

relation where one benefits and the other is neither helped nor harmed. ex: bird nest and tree; tree gives the bird a place to stay, while the tree is neither helped nor harmed

Question 23

What is parasitism and give example

Answer 23

relation where one benefits and the other is harmed; a tick living in a dog, the tick benefits by having a place to stay, but the dog is hurt

Question 24

What are decomposers?

Answer 24

they break down dead organisms and release it into the environment

Question 25

What are detrivores?

Answer 25

they break down dead organisms and use it for themselves as nutrients

Question 26

What is symbiosis?

Answer 26

close relationship between two or more species