B4 Community level systems

Question 1

what is an ecosystem?

Answer 1

Are dynamic systems consisting of a biological community of interacting organisms and their physical environment

Question 2

What does Abiotic factor mean?

Answer 2

non living physical factor

Question 3

List Abiotic factors

Answer 3

• light intensity / availability
• temperature
• moisture level / water available
• soil pH / type
• wind levels
• oxygen availability

Question 4

list biotic factors

Answer 4

• animals
• plants
• fungi
• bacteria
• protists

Question 5

what do organisms compete for?

Answer 5

• food
• water
• space
• shelter
• partners
• light
• carbon dioxide
• minerals

Question 6

what is the definition of mutalism?

Answer 6

both organisms gain from the relationship

Question 7

what is the definition of parasitism?

Answer 7

only one organism gains from the relationship

Question 8

what is the definition of predation?

Answer 8

relationship where predator feeds on prey

Question 9

what is the definition of a predator?

Answer 9

A species that eats the prey, always a carnivore

Question 10

what is the definition of a prey?

Answer 10

A species that is eaten by the predator