Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology 2 > Chapter 17/21 Thingy > Flashcards

Chapter 17/21 Thingy Flashcards

(69 cards)

Start Studying
1
Q

Chordates are

A

Humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which animal group is closely related to chordates?

A

Echinoderms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which anthropoids are most closely related to humans?

A

Chimpanzees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

All organisms with bilateral symmetry also have

A

Sense organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Flatworms are similar to Cnidarians in that both have

A

True tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which animals have a cylindrical body that is tapered at both ends?

A

Roundworms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

There are more species of ___ than any other type of animal

A

Arthropods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A characteristic of arthropods that has allowed for their great success is the presence of

A

Specialized segments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Arthropod Skelton is composed of

A

Chitin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the name given to the food trapping cells of sponges

A

Choanocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What characteristic is unique to echnioderms

A

A water vascular system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What evidence would convince you that it is indeed an annelid and not roundworm or flatworm

A

Body segmentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Example of a chordates that is not a vertebrate

A

Lancelet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Among vertebrates the unique feature of lampreys and hagfish is the

A

Absence of jaws

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Rays are a type of

A

Cartilaginous fish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What group of fishes includes lineage that migrated out of freshwater and adapted to life on land

A

Lobe-finned fishes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Tetrapods means

A

Four feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The feature that freed reptiles from dependence on water for reproduction

A

Amniotic egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A characteristic that is shared by snakes and birds

A

Amniotic egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Almost every element of bird anatomy is modified for what

A

Enhancement of flight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Mammalian group that lays eggs

A

Monotremes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Dorsal, hollow nerve cord and a Notochord

A

Chordates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

A Lancelet is a

A

Chordates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Platypus is a

A

Monotreme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
You discover an organism that has scaly skin and is aquatic but returns to the land to reproduce. What else would you expect to find in this organism
Amniotic egg
26
Unique features of vertebrates include presence of
Skull and backbone
27
They all have a notochord sometime during their life cycle
Chordates
28
A feature unique to mammals include
Presence of hair
29
The first hominid to spread beyond Africa
Homo erectus
30
Where did humans first appear
Africa
31
Four long, slender finger bones and a smaller opposable thumb bone, long arm bone, fingernails, and eye sockets close together on a skull What is it and where would it be found?
Anthropoids Found in heavily forested area
32
How do New World monkeys differ from Old World monkeys?
New world monkeys have prehensile tail
33
In animals, individual cells are grouped into
Tissues
34
The function of the lung system is to exchange
Exchange of gases between the blood and air
35
The function of the kidney system is
Excretion of urea
36
What makes skeletal muscle different from both smooth and cardiac muscle ?
Skeletal muscle can be contracted voluntarily
37
Physiologist is a biologist that studies
Functions of body parts
38
Bone is a type of
Connective tissue
39
Connective tissue is different from the other major tissue types in that
The cells are sparsely scattered through an extraterrestrial matrix
40
Most common type of tissue
Loose connective tissue
41
Most abundant kind of tissue in most animals
Muscle
42
It can be enlarged by exercise
Skeletal muscle
43
Involuntary muscle includes
Smooth muscle and cardiac muscle
44
This can only carry out its functions of its component tissues
Organs
45
The fact that every organism continuously exchanges chemicals and energy with its surroundings
Open systems
46
Reabsorption in the movement of substances from the ____ to the ___
Filtrate ; blood
47
Secretion is the movement of substances from the ____ to the ___
Blood ; filtrate
48
Excretion is the movement of substances from the ___ to the ___
Kidneys ; outside
49
Which process describes the forcing of water and other small molecules from the blood into a kidney tube?
Filtration
50
Promotes urinary water loss
Diuretic
51
In humans goosebumps are a vestige of a mammalian adaptation related to
Thermoregulation
52
If a person is suffering from a heat stroke which organ system is failing
Nervous system
53
Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this animal practices homeostasis with respect to the salt concentration will show
Slight, continuous fluctuations
54
The maintenance of a relatively stable internal environment
Homeostasis
55
The vertebrate kidney helps to keep the acidity of the body fluids constant by varying the amount of hydrogen ions it secretes to urine
Negative feedback mechanism
56
Thermostat that monitors temp and switches heat on and off
Negative feedback
57
When a blood vessel is broken proteins found in blood are stimulated, resulting in netlike clot
Positive feedback
58
Stimulated proteins activate more and more proteins which causes a larger and larger clot
Positive feedback loop
59
Urination, deification, breathing
Water loss
60
The ability to maintain a body temp substantially warmer than the surrounding environment
Endotherms
61
Animals such as mammals and birds that derive most of their body heat from their own metabolism
Endotherms
62
Includes most invertebrates, fishes, amphibians, and nonbird reptiles
Ectotherms
63
Obtain their body heat primarily by absorbing it from their surroundings
Ectotherms
64
Blood sugar level rises then the level went back down
Negative feedback
65
Most homeostasis mechanisms depend on
Negative feedback
66
Spring lobster is a
ectotherm
67
When the body temp is too low
Blood vessels in skin constrict
68
Physiological response when animals get too hot
Increased blood flow to the skin
69
They produce dilute urine
Freshwater fish

Biology 2 (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions