Question 1

If all fungi in an environment that perform decomposition were to suddenly die, which group of organisms would most likely benefit due to reduced competition for decomposing organic matter?

Accepted Answer

prokaryotes

Question 2

When a mycelium infiltrates a new source of dead organic matter, what is most likely to appear within the food source soon after?

Accepted Answer

fungal enzymes

Question 3

Which of the following is a characteristic of hyphate fungi (fungi featuring hyphae)?

Accepted Answer

They are adapted for rapid directional growth to new food sources.

Question 4

The vegetative (nutritionally active) bodies of most fungi are:

Accepted Answer

composed of hyphae, referred to as a mycelium, and usually underground

Question 5

Which of the following descriptions apply equally well to fungal spores produced both sexually and asexually?

Accepted Answer

All of the above

Question 6

A grape farmer uses a fungicide to kill pathogenic fungi on grape roots. What is the most important concern with this practice?

Accepted Answer

The fungicide might also kill mycorrhizae.

Question 7

Lichens are symbiotic associations of fungi and which of the following?

Accepted Answer

cyanobacteria and green algae

Question 8

In both lichens and mycorrhizae, what does the fungal partner provide to its photosynthetic partner?

Accepted Answer

water and minerals

Question 9

What do fungi and arthropods have in common?

Accepted Answer

The protective coats of both groups are made of chitin.

Question 10

Which of the following is the adaptive advantage associated with the filamentous nature of fungal mycelia?

Accepted Answer

An extensive surface area well suited for invasive growth and absorptive nutrition.

Question 11

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy?

Accepted Answer

Ingestion.

Question 12

Which of the following is unique to animals?

Accepted Answer

Nervous conduction and muscular movement

Question 13

Sponges are most accurately described as:

Accepted Answer

filter feeders

Question 14

Which of the following functions as both a mouth and an anus in members of the phylum Cnidaria?

Accepted Answer

a gastrovascular cavity

Question 15

The most ancient branch point in animal phylogeny is that between having:

Accepted Answer

true tissues and no tissues

Question 16

Which of the following was probably the least important factor in bringing about the Cambrian explosion?

Accepted Answer

The movement of animals onto land

Question 17

Which of the following statements concerning animal taxonomy is (are) true?

Accepted Answer

Kingdom Animalia is monophyletic and animals are thought to have evolved from flagellated protists similar to modern choanoflagellates.

Question 18

Which of the following is a real-world example of adaptive radiation, as seen in the fossil record?

Accepted Answer

The Cambrian explosion

Question 19

Which of the following best describes the last common ancestor of all animals?

Accepted Answer

protist

Question 20

Which of the following is a key difference between diploblastic and triploblastic animals?

Accepted Answer

Diploblastic animals have two germ layers; triploblastic have three.

BIO 1020 Exam #3 Study Guide – Fungi, Animal Evolution, and Phylogeny

Study Guide - Practice Questions

Study Guide - Flashcards