Ecology

Question 1

What is a producer?

Answer 1

An organism that is able to form nutritional substance for its survival

Question 2

Define prey:

Answer 2

An animal that is hunted and killed by another for food

Question 3

Define biodiversity:

Answer 3

The variety of life in the world or a particular place

Question 4

Defied food chain:

Answer 4

a hierarchical series of organisms in order of dependency on the next as a source of food

Question 5

Define primary consumer:

Answer 5

The herbivores

Question 6

Define secondary consumers:

Answer 6

Eat primary consumers (carnivores)

Question 7

Define a tertiary consumer:

Answer 7

A carnivore at the topmost level in a food chain that feeds on other carnivores in the secondary consumer level. (Dependent)

Question 8

Define heterotroph:

Answer 8

An organism that derives its nutrients form other organisms (cannot make its own food)

Question 9

Define predator:

Answer 9

An animal that naturally preys on anther animal for survival

Question 10

Herbivore:

Answer 10

An organism that only consumes greens / plant eaters (eg giraffe)

Question 11

Carnivores:

Answer 11

Only eats meat (lion)

Question 12

Omnivore:

Answer 12

Eats both plants and animals.

Question 13

Define carrying capacity:

Answer 13

Number of people, living things, and resources that a region can support without harming the environment.

Question 14

Population:

Answer 14

A group of the same species living in an ecosystem

Question 15

Ecosystem:

Answer 15

A community of interacting organisms consisting of similar individuals

Question 16

Community;

Answer 16

An association of populations of two or more different species in the same area

Question 17

Biotic:

Answer 17

Any living thing

Question 18

Abiotic

Answer 18

A non living thing

Question 19

Habitat:

Answer 19

The natural home or environment of an animal, plant, or other organism

Question 20

Niche:

Answer 20

A role a species had in its environment (ex: how it meets its needs for food and shelter, how it survives, & how it reproduces) also includes interactions with biotic and abiotic factors of its environment

Question 21

Competition:

Answer 21

An interaction between organisms in which the fitness of one is lowered by the presence of an other

Question 22

What is the carbon cycle for plants

Answer 22

Co2 + h20 + sunlight –> glucose + o2

Question 23

Carbon cycle for animals and is:

Answer 23

Glucose + o2 –> Co2 + H2o

Question 24

Water cycle:

Answer 24

Evaporation - condensation - precipitation - run off - seepage - root uptake (seepage joins larger bodies of water)

Question 25

What does an energy cycle show?

Answer 25

The energy TRANSFERED from each lrganism as you go up the pyramid

Question 26

How much does each organism loose as you go up the pyramid?

Answer 26

It starts at 100, then 10, then 1 then 0.1 and so on. (Starting at a producer) for 100

Question 27

Symbiotic relationship;

Answer 27

An interaction that can either benefit it or be harmful. They are essential .

Question 28

Limiting factor:

Answer 28

Environment conditions that limit the living condition of an ecosystem

Question 29

What soil is best for planting

Answer 29

Top soil because it allows water to seep to the plants roots and oxygen reaches the plant also

Question 30

How does acid rain form

Answer 30

By a chemical reaction that begins when compounds are released into the air and they mix and react with water, oxygen, and other chemicals to for acidic pollutants

Question 31

What is ph:

Answer 31

A measure of the hydrogen ion concentration of a solution

Question 32

What is bio accumulation ?

Answer 32

The build up of substances like pesticides or other chemicals in an organism

Question 33

Bio magnification:

Answer 33

Is the concentration of toxins in an organism