Question 1

Which of the following best describes an emergent property in biological systems?

Accepted Answer

A property that arises from the interaction of simpler components, not predictable from the parts alone.

Question 2

Which domain includes organisms that are single-celled, lack a nucleus, and are genetically distinct from bacteria?

Accepted Answer

Archaea

Question 3

A population of frogs is separated by a newly formed river, preventing gene flow between the two groups. Over time, these populations diverge into two species. This is an example of:

Accepted Answer

Allopatric speciation

Question 4

Which of the following is NOT one of the seven characteristics of living organisms?

Accepted Answer

Ability to photosynthesize

Question 5

Which of the following correctly lists the hierarchical organization of living systems from smallest to largest?

Accepted Answer

Organelle, cell, tissue, organ, organism, population, community, ecosystem, biosphere

Question 6

Which statement about the molecular basis of inheritance is correct?

Accepted Answer

The genome is the entire set of DNA instructions in an organism.

Question 7

Which of the following is a defining feature of protostome development?

Accepted Answer

Spiral cleavage and determinate development

Question 8

Methanosarcina is classified as which of the following?

Accepted Answer

An archaeon

Question 9

Which of the following best describes the function of the prothallus in ferns?

Accepted Answer

It is the gametophyte that produces gametes.

Question 10

A scientist is studying a multicellular organism that has cell walls made of chitin and reproduces by producing basidiospores. To which group does this organism most likely belong?

Accepted Answer

Basidiomycota

Question 11

Which of the following statements about cell theory is FALSE?

Accepted Answer

Cells can arise spontaneously from non-living matter today.

Question 12

Which of the following is a correct statement about the fate of the blastopore in deuterostomes?

Accepted Answer

The blastopore becomes the anus.

Question 13

Which of the following is an example of a cestode?

Accepted Answer

Tapeworm

Question 14

Which of the following best explains why evolution is considered a unifying theme in biology?

Accepted Answer

It explains the diversity and unity of life through common ancestry and change over time.

Question 15

Which of the following is a real-world example of homeostasis?

Accepted Answer

A lizard basking in the sun to raise its body temperature.

Question 16

Which of the following best describes the difference between determinate and indeterminate development in embryology?

Accepted Answer

Determinate development means each cell's fate is fixed early; indeterminate means cells can develop into any tissue.

Question 17

Which of the following is NOT a unifying theme in biology?

Accepted Answer

Spontaneous generation

Question 18

Which of the following best describes the genome?

Accepted Answer

The entire set of DNA instructions in an organism.

Question 19

Which of the following is a correct application of the concept of phylogeny?

Accepted Answer

Using evolutionary trees to infer relationships among species.

Question 20

Which of the following is a real-world example of an emergent property?

Accepted Answer

The ability of a heart to pump blood, which cannot be predicted by studying heart cells alone.

Biology II: Biodiversity, Evolution, and the Hierarchical Organization of Life

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