Chapter 3 | Biological Interactions

Question 1

This occurs when there’s a limited resources such as food, living space, or mates

Answer 1

Competition

Question 2

The art of living together

Answer 2

Symbiosis

Question 3

It prevents two groups of organisms from occupying the same niche

Answer 3

Competition

Question 4

A relationship that prevents one or a few aggressively colonizing species from multiplying and crowding out others and thus dominating a community

Answer 4

Predator-prey relationship

Question 5

No two group of organisms can use exactly the same resources on exactly the same place at exactly the same time

Answer 5

Competitive exclusion

Question 6

One group will be more efficient at what it does than the other and will have better success at survival and reproduction. Possible results of competition are local extinction of the less-successful competitor

Answer 6

Competitive exclusion

Question 7

Both organisms benefit from the relationship

Answer 7

Mutualism

Question 8

One organisms benefit from the relationship, whereas the other partner is neither harmed nor benefited

Answer 8

Commensalism

Question 9

parasites benefits from the relationship, whereas the host is harmed.

Answer 9

Parasitism

Question 10

Basic unit of the Biosphere

Answer 10

Ecosystem

Question 11

The physical environment and biological communities interact to produce this stable system

Answer 11

Ecosystem

Question 12

It maintains the processes and stability of the ecosystem

Answer 12

Cycle in abiotic and biotic features

Question 13

All living organisms requires ___________ to live, grow, and reproduce

Answer 13

Energy

Question 14

These are the organisms that contain special pigment molecules, such as chlorophyll, that captures energy from the sun

Answer 14

Producers

Question 15

Process by which the energy of sunlight is captured and stored in organic molecules

Answer 15

Photosynthesis

Question 16

Organisms that are able to produce their own food, as well as food for other organism.

Answer 16

Autotrophs or Producers

Question 17

Producers that uses energy from chemical reactions to form organic molecules

Answer 17

Chemosynthetic organisms

Question 18

Organisms that rely on other organisms for food

Answer 18

Consumers or Heterotrophs

Question 19

Feed directly on producers

Answer 19

First order consumer (herbivores)

Question 20

Carnivores that feed on herbivores

Answer 20

Secondary consumers

Question 21

Carnivores that feed on other carnivores

Answer 21

Tertiary consumer

Question 22

Consumers that feed both on carnivores and producers

Answer 22

Omnivores

Question 23

Organisms that feed on detritus, organic matter such as animal waste and decaying matter

Answer 23

Detritivores

Question 24

Organisms that breaks down the tissue of dead organisms and help to recycle nutrients

Answer 24

Decomposers

Question 25

Complex feeding system network

Answer 25

Food web

Question 26

producers and consumers are linked together to form the feeding relationship

Answer 26

Food chain

Question 27

it represents an enormous supply of energy for marine organisms

Answer 27

Detritus

Question 28

major sources of detritus

Answer 28

Decaying plant and algal matter that is not consumed

Question 29

Detritus is an important food source for ________ bacteria and ______plakton

Answer 29

Pelagic bacteria and some Zooplankton

Question 30

The percentage of energy that is taken in as a food by one trophic level and passed on as food to the next higher trophic level is called _____________

Answer 30

Ecological efficiency

Question 31

It is the energy storing level in a food chain

Answer 31

Trophic levels

Question 32

A diagram of Flow of energy from one trophic level to another

Answer 32

Energy pyramid