Evolution And Development Test Bank Docx Wolpert Ch.14

Type: multiple choice question

Title: Chapter 14 - Question 01

01) Which of the following biologists was quoted as saying “nothing in biology makes sense unless viewed in the light of evolution?”

a. Theodosius Dobzhansky

b. Gregor Mendel

c. Charles Darwin

d. Hans Spemann

Type: multiple choice question

Title: Chapter 14 - Question 02

02) The living unicellular group most closely related to multicellular animals is

a. Filastereans

b. Choanoflagellates

c. Ichthyosporeans

d. Fungi

Type: multiple choice question

Title: Chapter 14 - Question 03

03) Trichoplax is a very simple two-layered organism harboring only four different cell types. In which phylum is Trichoplax classified?

a. Porifera

b. Placozoa

c. Ctenophora

d. Cnidaria

Type: multiple choice question

Title: Chapter 14 - Question 04

04) Vertebrates, mollusks, and nematodes are tripoblasts. Which embryonic characteristic classifies them as tripoblasts?

a. They have three germ layers

b. Their digestive systems have three branches

c. Their mid-blastula transition occurs at the third cleavage event

d. Their tissues develop across three primary axes

Type: multiple choice question

Title: Chapter 14 - Question 05

05) What is ontogeny?

a. The evolutionary history of a species or group

b. The speed of developmental events

c. The development of an organism

d. The sharing of embryological structures between animals

Type: multiple choice question

Title: Chapter 14 - Question 06

06) During Darwin’s visit to the Galapagos Islands he observed the differences in the shapes of beaks on finches and attributed those differences to the associated diets. We now know that calmodulin and a signaling pathway dictate these differences in size and shape. What is that signaling pathway?

a. BMP

b. Wnt

c. Shh

d. Notch

Type: multiple choice question

Title: Chapter 14 - Question 07

07) While Drosophila have the simplest single set of Hox genes on a single chromosome, higher vertebrates typically have four sets across four different chromosomes. How many wholesale duplications of the Hox complex must have occurred during vertebrate evolution?

a. 2

b. 1

c. 3

d. 4

Type: multiple choice question

Title: Chapter 14 - Question 08

08) What is the Drosophila chordin-related gene?

a. Short gastrulation

b. BMP4

c. Chordino

d. Long gastrulation

Type: multiple choice question

Title: Chapter 14 - Question 09

09) Humans have five digits on each hand and foot. All modern vertebrate species have no more than which number of digits?

a. 5

b. 6

c. 7

d. 8

Type: multiple choice question

Title: Chapter 14 - Question 10

10) Which of the following refers to differences in the timing of developmental events?

a. Heterochrony

b. Neoteny

c. Ontogeny

d. Synchrony