Question 1

Which of the following best describes the difference between homology and analogy in evolutionary biology?

Accepted Answer

Homology refers to similarities due to shared ancestry, while analogy refers to similarities due to convergent evolution.

Question 2

A researcher is constructing a phylogenetic tree and must decide between two possible trees. According to the principle of maximum parsimony, which tree should the researcher choose?

Accepted Answer

The tree that requires the fewest evolutionary changes.

Question 3

Which of the following statements about horizontal gene transfer is correct?

Accepted Answer

It can result in genes moving between different domains of life, complicating phylogenetic analysis.

Question 4

Gram-positive bacteria differ from gram-negative bacteria in that gram-positive bacteria:

Accepted Answer

Have a thick peptidoglycan layer in their cell wall.

Question 5

Which process allows a bacterium to acquire new genetic material from its environment, potentially leading to antibiotic resistance?

Accepted Answer

Transformation

Question 6

A prokaryote that uses light as an energy source and CO$$_2 as a $$carbon source is classified as a:

Accepted Answer

Photoautotroph

Question 7

Which of the following is a derived trait that distinguishes land plants from charophyte green algae?

Accepted Answer

Alternation of generations

Question 8

In the life cycle of a moss, which stage is dominant and photosynthetic?

Accepted Answer

Gametophyte

Question 9

Which of the following best explains why seeds are considered an evolutionary advantage over spores?

Accepted Answer

Seeds contain a protective coat and stored food, allowing for greater survival in variable environments.

Question 10

Double fertilization in angiosperms results in the formation of:

Accepted Answer

A diploid zygote and a triploid endosperm

Question 11

Which of the following is a characteristic unique to animals and not found in any other group?

Accepted Answer

Nervous and muscle tissue

Question 12

A triploblastic animal with a body cavity completely lined by mesoderm is called a:

Accepted Answer

Coelomate

Question 13

Which of the following is a feature of protostome development?

Accepted Answer

The blastopore becomes the mouth.

Question 14

Which of the following is true about the water vascular system in echinoderms?

Accepted Answer

It functions in locomotion and feeding via tube feet.

Question 15

Which of the following is NOT a characteristic shared by all chordates at some point in their life cycle?

Accepted Answer

Vertebral column

Question 16

Which adaptation allowed vertebrates to colonize land successfully?

Accepted Answer

The amniotic egg

Question 17

Which of the following best describes the main difference between monocots and dicots?

Accepted Answer

Monocots have one cotyledon, while dicots have two.

Question 18

Which of the following is a correct pairing of a protist group and a unique feature?

Accepted Answer

Diatoms – silica cell walls

Question 19

A patient is diagnosed with a parasitic infection caused by a flatworm that lacks a digestive system and absorbs nutrients directly through its body surface. Which group does this parasite most likely belong to?

Accepted Answer

Tapeworms (Phylum Platyhelminthes)

Question 20

Which of the following is a correct sequence of taxonomic groups from most inclusive to least inclusive?

Accepted Answer

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Phylogeny, Prokaryotes, Protists, Plant and Animal Diversity: Structured Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards