Test 3

Question 1

A tick is an example of a…

Answer 1

Parasite

Question 2

Whether a seaturtle is male depends on…

Answer 2

Temperature

Question 3

Hierarchical levels in an ecosystem comprised of organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy are called:

Answer 3

Trophic levels

Question 4

A predator is how efficient in capturing prey?

Answer 4

20%

Question 5

Most keystone species are…

Answer 5

Predators

Question 6

An insect looking like the substrate it is sitting on is called…

Answer 6

Cryptic coloration

Question 7

Under dry and warm conditions, what biome type would one expect to find?

Answer 7

Desserts

Question 8

On average, how efficient are plants in converting the sun’s energy to organic matter?

Answer 8

1%

Question 9

True or false: In exponential growth a small population will grow faster than a large one

Answer 9

False

Question 10

A Caterpillar looking like a snake is an example of…

Answer 10

Mimicry

Question 11

What is the major way carbon leaves plants and animals and re-enters the atmosphere

Answer 11

Cellular respiration

Question 12

Which factor below could be considered fo have a density independent impact on population growth?

Answer 12

A winter blizzard

Question 13

Based on the punnett square, what should be the expected sex ratio at birth?

Answer 13

1:1

Question 14

True or false: How fast a population can grow depends on the number of males in a population

Answer 14

False

Question 15

Where is the next primary productivity the highest?

Answer 15

At the equator

Question 16

The outcome of competition depends on…

Answer 16

Niche similarities

Question 17

Is a cow a primary consumer?

Answer 17

Yes

Question 18

True or false: in a predator prey relationship, the abundance of the predator determines the abundance of the prey.

Answer 18

False

Question 19

If two animals of the same species are competing for the same resource this is referred to as…

Answer 19

Intraspecific competition

Question 20

If plants in an area produce 1000 kg of plant material, how much of that energy will be passed on to the primary consumer level?

Answer 20

100kg

Question 21

The age class that usually has the largest number of individuals is the…

Answer 21

Youngest individuals

Question 22

Interactions between two different organisms living in close physical association typically but not always to the advantage of both is called…

Answer 22

Symbiosis

Question 23

True or false: Cryptic coloration is used only by prey

Answer 23

False

Question 24

Two same species fighting over food is an example of

Answer 24

Interference competition

Question 25

An animal that eats primarily dead animals is a

Answer 25

Decomposer

Question 26

The most important role of decomposers is...

Answer 26

Recycling nutrients

Question 27

Why does China have more boys than girls?

Answer 27

Cultural reasons

Question 28

Every species population has the potential to grow...

Answer 28

Exponentially

Question 29

In mathematical expression (k-n)/k, what will it equal if k=n?

Answer 29

0

Question 30

What is the second law of physics?

Answer 30

It is not possible to transfer or transform 100% of energy in any way

Question 31

Are oceans, burning fossil fuel, and animals pools of carbon?

Answer 31

Yes

Question 32

Keystone species

Answer 32

A species that is important to sustain the entire ecosystem/community. Without it the system collapses

Question 33

Ants that flicker like lighting bugs, caterpillars that look like snakes are examples of

Answer 33

Mimicry

Question 34

Two things that prey can do after they are spotted

Answer 34

Run, and stand their ground/fight

Question 35

Define population

Answer 35

A group of individuals of the same species that exist/coexist in an environment/habitat

Question 36

Define mutualism

Answer 36

When both species benefit from each others action

Question 37

Define commensalism

Answer 37

When one species benefits and the other does not seem to be affected

Question 38

Two reasons why there are more females than males in a population

Answer 38

Males fight each other (fatigue leads to easy target) Males are typically brightly colored/ more viable

Question 39

How can a predator effect the outcome of competition between two other species?

Answer 39

Predator could favor one species over the other and hunts them. This makes for a better opportunity of the other that is not prayed