Ecology

Question 1

Food Web

Answer 1

consists of all the food chains in a single ecosystem

Question 2

Food Chain

Answer 2

one possible path that energy and nutrients may take as they move through the ecosystem

Question 3

Trophic Level

Answer 3

the grouping for organisms in a food web based on their role

Question 4

Producers

Answer 4

make their own food and do not depend on any other organism for nutrition

Question 5

Autotrophs

Answer 5

make their own food

Question 6

Consumers

Answer 6

animals that eat other producers

Question 7

Carnivore

Answer 7

animals that eat other animals

Question 8

Omnivores

Answer 8

animals that eat both plants and animals

Question 9

Herbivores

Answer 9

Anything eating plants, algae, and other producers

Question 10

Primary consumers

Answer 10

are herbivores, eat plants and other producers

Question 11

Secondary consumers

Answer 11

eat the herbivores or primary consumers

Question 12

Tertiary consumers

Answer 12

eat the secondary consumers

Question 13

Apex predators

Answer 13

top consumer

Question 14

Detritivores

Answer 14

organisms that eat nonliving plant and animal remains

Question 15

Scavenger

Answer 15

organisms that eat nonliving plant and animal remains (detritivores)

Question 16

Decomposers

Answer 16

break down dead organisms into nutrient-rich soil for use by the producers

Question 17

Ecosystem

Answer 17

all of the living and nonliving parts of the enviroment and with other organisms

Question 18

Ecology

Answer 18

the study of how organisms interact with their environment and with other organisms.

Question 19

Dominant species

Answer 19

a group of organisms that outnumbers/dominates the other species in the area.

Question 20

Environment

Answer 20

all the living and nonliving things that surround an organism

Question 21

Biosphere

Answer 21

that part of Earth in which life can exist

Question 22

Habitat

Answer 22

the location in which an organism lives

Question 23

Species

Answer 23

a group of organisms that share similar characteristics and can mate with each other to produce offspring

Question 24

Population

Answer 24

the group of organisms of the same species living in the same area

Question 25

Community

Answer 25

a group of different populations that live together and interact in an environment

Question 26

Niche

Answer 26

the place or role that an organism has in its habitat

Question 27

Competition

Answer 27

the interaction between organisms or species that use the same resources in which the health of one is negatively affected by the presence of the other

Question 28

Biotic

Answer 28

all of the living parts of an ecosystem

Question 29

Abiotic

Answer 29

all of the nonliving parts of an ecosystem

Question 30

Predator

Answer 30

an animal that hunts and eats another animal

Question 31

Prey

Answer 31

an animal that is hunted and eaten by another animal

Question 32

Parasite

Answer 32

A parasite is an organism that lives on or in another organism. It takes nourishment from its victim. Some parasites do not harm the host organism. Others may actually cause it to die or become weak and sickly.

Question 33

Host

Answer 33

organism that is parasitized or subject to attack by one or more parasites

Question 34

Symbiosis

Answer 34

relationship between two species that interact in ways that influence each other’s evolution

Question 35

Parasitism

Answer 35

a certain type of non-mutual relationship found between two different species in which one organism known as the parasite benefits at the expense of the other organism

Question 36

Mutualism

Answer 36

a relationship between two species of a plant, animal, or fungus in which one lives off the other and both organisms benefit

Question 37

Commensalism

Answer 37

a relationship between two species of a plant, animal, or fungus in which one lives with, on, or in the other without damage to either