Subject SAT (College Board) Biology: Questions 477 - 480 of 805

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Question number: 477

» Organism and Population

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MCQ▾

Question

Echinoderms are headless, brainless and heartless. Yet they are the top of invertebrates because of presence of

Choices

Choice (4) Response

a.

Great power of reproduction

b.

Exclusive marine forms

c.

Enterocoel

d.

High power of regeneration

Question number: 478

» Organism and Population

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MCQ▾

Question

In Funaria/bryophytes

Image of funaria

Image of Funaria

Image of funaria

Choices

Choice (4) Response

a.

Sporophyte is dependent upon gametophyte

b.

Gametophyte is dependent upon sporophyte

c.

Sporophyte and gametophyte are dependent on each other

d.

Gametophyte and sporophyte are independent of each other

Question number: 479

» Organism and Population

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MCQ▾

Question

In the terms of evolutionary origin, which one of the following is correct?

Choices

Choice (4) Response

a.

Birds are closer to reptiles

b.

Birds originated from animals like flying lizards

c.

Birds are closer to mammals

d.

Birds and bats originated from the same ancestral group

Question number: 480

» Organism and Population

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MCQ▾

Question

Which statement most accurately reflects what population geneticists refer to as “fitness”?

Choices

Choice (4) Response

a.

Fitness refers to the relative health of each individual in the population

b.

Fitness is a measure of the contribution of a genotype to the gene pool of the next generation

c.

Fitness is the measure of an organism’s adaptability to various habitats

d.

Fitness reflects the number of mates each individual of the population selects

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