Question 34 Match the description/example of defensive mechanisms with the corre

Question

Question 34

Match the description/example of defensive mechanisms with the correct term.

---------Bright colorations have evolved on a single species of a poisonous frog.

---------Several species of poisonous frog have similarly bright colorations.

---------Thorns on a thistle plant.

---------Golden coloration of a lion in with the light brown grasses of savanna.

-----------Fly mimicking the body structure and markings of a bee.

Question 34 options

1. Structural defense

2. Batesian mimicry

3. Aposematism

4. Mullerian mimicry

5. Crypsis

Question 35

Poikilotherms are able to allocate more of their energy intake to biomass, while endotherms must expend much of their energy on metabolic temperature maintenance.

Question 35 options:

True

False

Question 36

Which of the following may limit primary productivity (photosynthesis)?

Question 36 options:

Nitrogen

Light

Temperature

Water availability

All of the above

Question 37

Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?

Question 37 options:

No mate selection

No mutation

No migration

Small population size

Question 38

Air circulation patterns within the atmosphere that create wet terrestrial conditions in the tropics and dry conditions at 30oC North and South of the equator.

Question 38 options:

Jet stream

Brady cells

Hadley cells

El Nino

Question 39

Deserts are dry because…

Question 39 options:

they all receive no precipitation

annual evaporation exceed annual precipitation

water rapidly filters through sand

surface water is quickly consumed by desert biota

Question 40

Survivorship patterns within a species are pre-set by life history characteristics and can never change in response to variable environmental conditions.

Question 40 options:

True

False

Question 41

Patchy resources and/or attraction between individuals (as in social organisms) tend to give rise to what type of distribution.

Question 41 options:

Random

Even (regular)

Aggregated (clumped)           

None of the above

Question 42

Organisms growing under ideal conditions and in an environment with unlimited resources tend to exhibit…

Question 42 options:

Logistic population growth

Exponential population growth

Density dependent growth    

Migration

Immigration

Question 43

Curve # 2 on this graph exhibits which of the following growth patterns?

Question 43 options:

Exponential

Sigmoidal (s-shaped)

Unlimited

Irreversible

Question 44

At point ‘ X’ on this graph …

Question 44 options:

r < 0

r > 0

r = 0

Mortality exceeds Natality

Question 34

Match the description/example of defensive mechanisms with the correct term.

---------Bright colorations have evolved on a single species of a poisonous frog.

---------Several species of poisonous frog have similarly bright colorations.

---------Thorns on a thistle plant.

---------Golden coloration of a lion in with the light brown grasses of savanna.

-----------Fly mimicking the body structure and markings of a bee.

Question 34 options

1. Structural defense

2. Batesian mimicry

3. Aposematism

4. Mullerian mimicry

5. Crypsis

Question 35

Poikilotherms are able to allocate more of their energy intake to biomass, while endotherms must expend much of their energy on metabolic temperature maintenance.

Question 35 options:

True

False

Question 36

Which of the following may limit primary productivity (photosynthesis)?

Question 36 options:

Nitrogen

Light

Temperature

Water availability

All of the above

Question 37

Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?

Question 37 options:

No mate selection

No mutation

No migration

Small population size

Question 38

Air circulation patterns within the atmosphere that create wet terrestrial conditions in the tropics and dry conditions at 30oC North and South of the equator.

Question 38 options:

Jet stream

Brady cells

Hadley cells

El Nino

Question 39

Deserts are dry because…

Question 39 options:

they all receive no precipitation

annual evaporation exceed annual precipitation

water rapidly filters through sand

surface water is quickly consumed by desert biota

Question 40

Survivorship patterns within a species are pre-set by life history characteristics and can never change in response to variable environmental conditions.

Question 40 options:

True

False

Question 41

Patchy resources and/or attraction between individuals (as in social organisms) tend to give rise to what type of distribution.

Question 41 options:

Random

Even (regular)

Aggregated (clumped)           

None of the above

Question 42

Organisms growing under ideal conditions and in an environment with unlimited resources tend to exhibit…

Question 42 options:

Logistic population growth

Exponential population growth

Density dependent growth    

Migration

Immigration

Question 43

Curve # 2 on this graph exhibits which of the following growth patterns?

Question 43 options:

Exponential

Sigmoidal (s-shaped)

Unlimited

Irreversible

Question 44

At point ‘ X’ on this graph …

Question 44 options:

r < 0

r > 0

r = 0

Mortality exceeds Natality

Explanation / Answer

34)   Bright colorations have evolved on a single species of a poisonous frog-Aposematism

        Thorns on a thistle plant- Structural defense

       Golden coloration of a lion in with the light brown grasses of savanna-Crypsis

        Fly mimicking the body structure and markings of a bee-Batesian mimicry

       Several species of poisonous frog have similarly bright colorations-Mullerian mimicry

35) Poikilotherms are able to allocate more of their energy intake to biomass, while endotherms must expend much of their energy on metabolic temperature maintenance.

Ans- True

36)Which of the following may limit primary productivity (photosynthesis)?

Ans- All the Above ( Nitrogen, Light, Water availability, Temperature)

37) Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?

Ans- Small population size

38) Air circulation patterns within the atmosphere that create wet terrestrial conditions in the tropics and dry conditions at 30oC North and South of the equator.

Ans- Hadley cells

39) Deserts are dry because

Ans) annual evaporation exceed annual precipitation

40) Survivorship patterns within a species are pre-set by life history characteristics and can never change in response to variable environmental conditions.

Ans-False

41) Patchy resources and/or attraction between individuals (as in social organisms) tend to give rise to what type of distribution.

Ans-Aggregated (clumped)         

42) Organisms growing under ideal conditions and in an environment with unlimited resources tend to exhibit…

Ans- Logistic population growth

43) Curve # 2 on this graph exhibits which of the following growth patterns?

Ans- Sigmoidal (s-shaped)

44) At point ‘ X’ on this graph …

Ans- r > 0

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