Ecology

Question 1

What are the three biotic components of an ecosystem?

Answer 1

• Producers (autothrops)
• Consumers (heterotrophs)
• Decomposers

Question 2

What is the biosphere?

Answer 2

The parts where of Earth where life exists. (All ecosystems)

Question 3

What is a biome?

Answer 3

Large communities characterized by the same major life forms

Question 4

What are the types of biome?

Answer 4

• Rainforest
• Tundra
• Grassland
• Savanna
• dessert

Question 5

What is habitat?

Answer 5

the place where an organism lives

Question 6

What is niche?

Answer 6

The organism’s role within that enviroment

Question 7

What are the levels of organization of life?

Answer 7

1. Atom
2. Molecule
3. Cell
4. Tissue
5. organ
6. Organism
7. Population
8. community
9. biome
10. biospehere

Question 8

What is ecology?

Answer 8

Study of relationships between plants, animals, and humans in the enviroment.

Question 9

What is food chain?

Answer 9

The trasnfer of food and energy from plants thorough a series of organisms in the ecosystem

Question 10

How many trophic levels are in a food chain?

Answer 10

4

Question 11

What are the levels of a food chain?

Answer 11

1. Sun
2. Producers
3. Primary consumers
4. Secondary consumers
5. Tertiary consumers

Question 12

What is a food web?

Answer 12

consists of all the food chains in a single ecosystem

Question 13

What are saprophytes?

Answer 13

the living organisms that live and feed on dead and decaying organisms.

Question 14

What are carnivores?

Answer 14

an animal that gets food from killing and eating other animals.

Question 15

What are omnivores?

Answer 15

an animal that has the ability to eat and survive on both plant and animal matter.

Question 16

What are detritivores?

Answer 16

organisms that consume dead and decaying organic matter known as detritus

Question 17

What is a molecule?

Answer 17

a group of two or more atoms held together

Question 18

What is a cell?

Answer 18

The smallest living unit of which all organisms are composed

Question 19

What is a tissue?

Answer 19

A similar group of cells organized to perform certain functions

Question 20

What is an organ?

Answer 20

A group of specialized tissues organized to perform a specific function

Question 21

What is an organism?

Answer 21

A living thing

Question 22

What is population?

Answer 22

A group of organisms that naturally interbreed

Question 23

What is a community?

Answer 23

A naturally occuring group of different organisms living in a certain area.

Question 24

What is a biome

Answer 24

Large communities characterized by the same major life forms

Question 25

What is symbiosis?

Answer 25

Any relationship or interaction between two different species.

Question 26

What are the types of symbiosis?

Answer 26

- Predation - Hervibory - Parasitism - Mutualism - Commensalism - Competition

Question 27

What is predation?

Answer 27

When animals and plants (ocasionally) hunts and eats other organisms. Exp: wolves and moose owls and mice

Question 28

What is herbivory?

Answer 28

Interaction where animals feeds on a plant. Exp: hippo Jiraffe

Question 29

What is parasitism?

Answer 29

Relationship between two species of plants or animals in which one benefits at the expense of the other.

Question 30

What are ectoparasites?

Answer 30

Live on the surface of the hosts. Ex: mites

Question 31

What are endoparasites?

Answer 31

Live inside their hosts. Ex: tapeworms

Question 32

What is mutualism?

Answer 32

Symbiosis in which two organisms live together. The two species benefit from the other. Exp: coral reefs clownfish and anemones honeyguides and humans

Question 33

What is the competition?

Answer 33

When resources are limited the population competes in order to survive. Is the demand by individuals for limited resources.

Question 34

What is intraspecific competition?

Answer 34

Within the same species

Question 35

What is interspecific competition?

Answer 35

Between different species. (Neither species benefits.)

Question 36

What is commensalism?

Answer 36

type of relationship between two living organisms in which one organism benefits from the other without harming it. Exp:Remora and shark Cowbird and bison

Question 37

What is the trophic level?

Answer 37

A position an organisms occupies in a food chain

Question 38

What are detritivores?

Answer 38

get their energy from detritus, nonliving organic material → remains of dead organisms feces, fallen leaves, wood.

Question 39

What is Eutrophication?

Answer 39

Eutrophication is y excessive plant and algal growth due to the increased availability of one or more limiting growth factors like fertilizers.

Question 40

What is an algal bloom?

Answer 40

occurs when toxin-producing algae grow excessively in a body of water.

Question 41

What are the ways of avoiding eutrophication?

Answer 41

- Implementation of a filter - Reduce the use of fertalizers - Consume less meat to reduce demand for livestock that produces large amounts of waste

Question 42

What is biomagnifiaction?

Answer 42

the process by which a compound (such as a pollutant or pesticide) increases its concentration in the tissues of organisms as it travels up the food chain

Question 43

What is bioccumulation?

Answer 43

When pollutants build up in a single organism's body over time.