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Discover Biology

Anu Singh-Cundy

Chapter 18

Protista, Plantae, and Fungi - all with Video Answers

Educators

Chapter Questions

00:48

Problem 1

Compared to prokaryotes, eukaryotes
a. do not have membrane-enclosed compartments in their cells.
b. exhibit a much greater diversity in modes of nutrition.
c. have a nucleus.
d. are more widespread.

Mishal Gul
Mishal Gul
Numerade Educator
00:59

Problem 2

Which of the following evolutionary innovations enabled larger cell size?
a. autotrophic mode of nutrition
b. multicellularicy
c. sexual reproduction
d. subcellular compartmentalization

Mishal Gul
Mishal Gul
Numerade Educator
00:36

Problem 3

Which of the following groups contains only multicellular species?
a. algae
c. bryophytes
b. protists
d. yeasts

Mishal Gul
Mishal Gul
Numerade Educator
00:42

Problem 4

Which of the following groups consists entirely of autotrophic species?
a. fungi
c. gymnosperms
b. protists
d. animals

Mishal Gul
Mishal Gul
Numerade Educator
00:59

Problem 5

Protists
a. are all descended from a single evolutionary lineage and are more closely related to each other than to any other kingdom of life.
b. are mostly multicellular, with a few single-celled species.
c. are more diverse in modes of nutrition and life cycle characteristics than fungi are.
d. were the first pioneers on land and dominate the terrestrial environment to this day.

Mishal Gul
Mishal Gul
Numerade Educator
00:27

Problem 6

Fungi grow by extending their
a. hyphae.
c. basidiomycetes.
b. septa.
d. coelomic cavities.

Mishal Gul
Mishal Gul
Numerade Educator
01:01

Problem 7

Which of the following constitutes an evolutionary innovation that enabled plants to become taller?
a. a cuticle
b. a mycelial network
c. the presence of cell walls reinforced with lignin
d. the presence of mycorrhizal associations

Mishal Gul
Mishal Gul
Numerade Educator
00:49

Problem 8

8. Mycorrhizal fungi are
a. beneficial to plants because they help plants stay dry.
b. harmful to plants because they secrete acids.
c. beneficial to plants because they help in absorbing minerals.
d. harmful to plants because chey degrade lignin.

Mishal Gul
Mishal Gul
Numerade Educator