2.1 Biological Interactions

Question 1

Biological interactions

Answer 1

the effects that the organisms in a community have on one another

Question 2

Commensalism

Answer 2

a relationship in which one organism benefits while the other organism is neither helped nor harmed

Question 3

Competition

Answer 3

when two or more organisms need the same resource (food, water, space, territory, mates) for survival

Question 4

Ecosystem

Answer 4

all living and nonliving things that interact with each other in an environment

Question 5

Host

Answer 5

an organism that harbors another organism (parasite) inside or near its own body, typically providing nourishment and shelter for the parasite

Question 6

Mutualism

Answer 6

a relationship in which two organisms benefit from each other

Question 7

Parasitism

Answer 7

a relationship in which one organism benefits while the other organism is harmed

Question 8

Parasite

Answer 8

an organism that lives inside or near another organism (host), typically using the host for nourishment and shelter

Question 9

Predation

Answer 9

a biological interaction in which a predator feeds on its prey

Question 10

Predator

Answer 10

an organism that kills and eats other organisms (prey)

Question 11

Prey

Answer 11

an organism that is killed and/or eaten by another organism (predator)

Question 12

Symbiosis

Answer 12

the relationship between two organisms that live together in an environment

Question 13

What are the different types of interactions in nature?

Answer 13

-harmful
-helpful

Question 14

What is harmful behavior and the types?

Answer 14

Harmful Interactions are when one organism benefits, while the other is harmed.
-parasitism
-Predation/predator-prey
-competion

Question 15

What is helpful behavior and the types?

Answer 15

Interactions where one or both organisms may benefit; none are harmed.
-mutualism
commensalism

Question 16

How does predation affect an ecosystem?

Answer 16

In ecosystems, balance is key, especially between organisms. To maintain this balance, predator and prey populations follow a predictable cycle. Predators help to control the prey population, while prey give predators the nutrients and energy needed to survive. In other words—eat, or be eaten.