exam review 2B

Question 1

each of the following is a feature of echinoderms EXCEPT

bilateral symmetry as adults

water vascular system with tube feet

calcium carbonate endoskeleton

Answer 1

bilateral symmetry as adults

Question 2

true or false

animals in the phylum chordata have pharyngeal slits as some points during the lifespan

Answer 2

true

Question 3

true or false
in vertebrates, jaws arose from structures that supported the gills

Answer 3

true

Question 4

true or false

vertebrates have structures such as the cranium and vertebral column to help protect the central nervous system

Answer 4

true

Question 5

true or false

The amniotic egg is resistant to desiccation and allows some vertebrate groups to live in dry climates.

Answer 5

true

Question 6

what group of vertebrates?
live on land or had ancestors that lived on land

Answer 6

tetrapods

Question 7

what group of vertebrates?
have eggs that resist desiccation

Answer 7

amniotes

Question 8

what group of vertebrates?
include amphibians, reptiles, birds, mammals

Answer 8

amniotes

Question 9

agnathans lack jaws

true or false

Answer 9

true

Question 10

hagfish produces what

Answer 10

slime for defense

Question 11

true or false

The class Sarcopterygii includes the ancestors of land vertebrates.

Answer 11

true

Question 12

shark has what

Answer 12

cartilaginous skeleton

Question 13

turtle lacks teeth and has a beak covered with keratin

true or false

Answer 13

true

Question 14

ovioarous, what animal?

Answer 14

kangaroo

Question 15

early mammals were diurnal and very large

true or false

Answer 15

false

Question 16

true or false
Metatherians are also called marsupials and are pouched mammals.

Answer 16

true

Question 17

true or false

An adaptation is a feature that helps individuals survive and reproduce under the conditions of their environment.

Answer 17

true

Question 18

true or false

In tarsiers, large eyes are an adaptation for seeing better at night, but the tradeoff is that the eyes are so large they cannot move in their sockets.

Answer 18

true

Question 19

Which type of tissue in animals consists of cells tightly packed together and may form protective barriers or be specialized for secretion?

Answer 19

epithelial

Question 20

Which type of tissue in animals includes bone, cartilage, adipose, and blood?

Answer 20

connective

Question 21

Metbolic rate can be calculated by measuring O2 use or CO2 production.

true or false

Answer 21

true

Question 22

Larger animals tend to have a higher mass-specific metabolic rate than do smaller animals.

true or false

Answer 22

false

Question 23

Larger animals tend to have more surface area per unit of volume and are thus more vulnerable to losing heat across the body surface.

true or false

Answer 23

false

Question 24

Animals that are endothermic and homeothermic have a limited ability to be active in cold conditions.
true or false

Answer 24

false

Question 25

In countercurrent heat transfer, arteries carry cool blood to the surface of the body. true or false

Answer 25

false

Question 26

what group of vertebrates include reptiles birds and mammals

Answer 26

amniotes