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Yr 11 Bio: Survival through adaptations and regulation

Total questions: 56

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
An example of a behavioral adaptation is
a)
The long neck of a giraffe
b)
Penguins huddling together for warmth
c)
A camel's hump used to store water
d)
A polar bear's white fur used for camouflage
2.
An example of a physical adaptation is...
a)
a turtle hiding inside its shell
b)
The spikes on a porcupine fish
c)
a rabbit burrowing underground
d)
a viper biting when threatened
3.

A monkey has a long tail to help it swing from branch to branch.

a)

Behavioral Adaptation

b)

Structural Adaptation

c)

Physiological Adaptation

d)

Reproductive Adaptation

4.

A squid will squirt black ink at predators when frightened.

a)

Behavioral Adaptation

b)

Structural Adaptation

c)

Physiological Adaptation

d)

Reproductive Adaptation

5.

A lion has pointed teeth to help it tear meat off of the bone.

a)

Behavioral Adaptation

b)

Structural Adaptation

c)

Physiological Adaptation

d)

Reproductive Adaptation

6.

A penguin is white on its belly and black on its back so it harder to see underwater from above and below.

a)

Behavioral Adaptation

b)

Structural Adaptation

c)

Physiological Adaptation

d)

Reproductive Adaptation

7.

An arctic tern migrates for food and warmth.

a)

Behavioral Adaptation

b)

Structural Adaptation

c)

Reproductive Adaptation

d)

Physiological Adaptation

8.
An owl is mostly nocturnal meaning it hunts and is active at night.
a)
Behavioral Adaptation
b)
Structural Adaptation
9.
When threatened, some animals make warning sounds to help other animals escape a predator.
a)
Behavioral Adaptation
b)
Structural Adaptation
10.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
11.
Which feature of a rose helps it grow without being eaten by large animals?
a)
flowers with bright colors
b)
sharp thorns
c)
small seeds
d)
deep roots
12.
Which adaptation (for the underlined animal) serves the function of defense?
a)
A walking stick looks like the twig on which it rests.
b)
A porcupine’s quills cause a predator to seek another meal.
c)
A whale filters plankton and krill from the water in which it swims.
d)
A penguin is dark on top and white below to blend in with the water.
13.
Which of the following is a physical adaptation for the underlined animal?
a)
A butterfly has bright colors to warn predators that it is poisonous.
b)
A hognose snake rolls over, slows its breathing, and hangs its tongue out to play dead.
c)
A herd of buffalo encircle their young to protect them from a pack of wolves.
d)
A dung beetle rolls a piece of dung across the desert.
14.
How do adaptations help animals?
a)
To escape animals
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
15.
A resting state through the winter. 
Adaptation: Bear sleeping in a cave during the winter months
a)
Locomotion
b)
Hibernation
c)
Migration
d)
Defense
16.
Traveling done by an animal to find food and water. 
Adaption: birds flying south for the winter
a)
Camouflage
b)
Migration
c)
Hibernation
d)
Locomotion
17.
An organism that hunts and feeds on another organism is a ______________________.
a)
prey
b)
producer
c)
predator
d)
decomposer
18.
An animal that is hunted as food
a)
prey
b)
predator
c)
decomposer
d)
producer
19.
When an organism copies a characteristic of something else in order to better its chances for survival and reproduction
a)
hibernation
b)
camouflage
c)
mimicry
d)
migration
20.
When an organism slows its life functions for a period of time to better its chances for survival during harsh conditions
a)
camouflage
b)
migration
c)
mimicry
d)
hibernation
21.
A group of organisms which are similar to each other and can combine to have offspring
a)
species
b)
characteristic
c)
club
d)
organisms
22.

The ability of an organism to maintain a stable internal environment no matter what is going on in his external environment is called.

a)

Homeostasis

b)

Camouflage

c)

Dormancy

d)

Hibernation

23.
What adaptation does this squirrel have that allows it to glide through the air?
a)
Extra skin under the arms and legs to capture air as it falls.
b)
Big ears to capture are as it falls
c)
Small eyes to see where it will land
d)
A short thin tail
24.
If a fishes gills are small, what might this say about the oxygen in the water?
a)
The water has no oxygen
b)
The water must have a high concentration of oxygen. 
c)
The water must have a low concentration of oxygen
d)
The water is clear and cold
25.
Which of the following is an example of positive feedback to indirectly maintain homeostasis?
a)
the chemical reactions involved in blood clotting
b)
your blood vessels dilate and you begin to sweat in response to elevated body temperature
c)
your blood vessels constrict and you begin to shiver in response to low body temperature
d)
your coach compliments you on your performance in practice
26.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d)
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
27.
Positive feedback is when the change caused by the stimulus is
a)
decreased
b)
non existant
c)
increased
d)
changes constantly
28.
Homeostasis in the human body is often maintained by a: 
a)
neutral feedback loop 
b)
solar feedback loop
c)
positive feedback loop
d)
negative feedback loop
29.
When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.  
a)
Positive Feedback Response
b)
Negative Feedback Loop 
30.

In _________ feedback, the change is BAD and needs to be corrected.

a)

Positive

b)

Negative

31.

In _________ feedback, the change is considered GOOD and should be increased.

a)

Positive

b)

Negative

32.

Which parts of the body are usually Effectors?

a)

Sense Organs

b)

Muscles & Glands

c)

Control Center

d)

Arms & Legs

33.

Which of the following is an example of positive feedback?

a)

Thermoregulation

b)

Blood Pressure

c)

Childbirth

d)

Blood Sugar Levels

34.

Which of the following is an example of negative feedback?

a)

Lactation

b)

Childbirth

c)

Blood Clotting

d)

Thermoregulation

35.
What is a disease where sufferers cannot control their blood glucose levels?
a)
Diabetes
b)
Influenza
c)
Cholera
d)
Cystic fibrosis
36.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
37.

Homeostatic cooling mechanisms include

a)

piloerection and panting

b)

panting and vasoconstriction

c)

sweating and piloerection

d)

sweating and vasodilation

38.

Blood sugars are controlled by

a)

brain generated chemicals

b)

blood

c)

hormones from the pancreas

d)

chemicals from the liver

39.

The hormone that makes the liver store sugars is

a)

glucose

b)

glycogen

c)

glucagon

d)

insulin

40.

The liver normally stores blood sugar as

a)

glucose

b)

glycogen

c)

glucagon

d)

fats

41.
Homeostasis is the process through which an organism regulates its internal environment in order to maintain a stable and constant condition.
An example of homeostasis is the regulation of the glucose sugar level in blood through the interaction of the hormones insulin and glucagon.  
What happens if the body is unable to maintain its blood glucose level?
a)
This regulation is unnecessary to the viability of organisms.
b)
The body adapts to a different blood glucose level.
c)
New hormones are created to solve the problem.
d)
Diseases, such as diabetes and hypoglycemia, result.
42.
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 
a)
Positive Feedback Response
b)
Negative Feedback Loop 
43.
The shrinking of blood vessels, which increases blood pressure
a)
vasodialation
b)
vasoconstriction
44.

What is the main function of the kidney?

a)

Remove urine from the body

b)

To add salt to blood

c)

Maintain water balance of the body

d)

To break down proteins

45.

Which situation best describes the act of maintaining homeostasis?

a)

An organism sweating when their body temperature begins to rise

b)

A plant on a window sill growing towards sunlight

c)

A bear hibernating in the winter months

d)

All of the above

46.

Which type of feedback system is more common in maintaining homeostasis?

a)

positive

b)

negative

c)

neutral

d)

balanced

47.

What type of feedback system is more dangerous to an organism?

a)

positive

b)

negative

c)

neutral

d)

balanced

48.

This is the term used to describe a body part that provides the response needed to influence a change.

a)

control center

b)

effector

c)

sensor

d)

set point

49.

The reaction of the effector is called..

a)

response

b)

sensor

c)

stimulus

d)

set point

50.

A noticeable change in an organism's environment.

a)

control center

b)

response

c)

stimulus

d)

set point

51.

What type of feedback system is described above?

a)

positive

b)

negative

c)

neutral

d)

leofied

52.

What type of feedback system does the model represent?

a)

positive

b)

negative

c)

neutral

d)

glyogen

53.

What is the stimulus in the model above?

a)

body temperature

b)

increase in body temperature

c)

decrease in body temperature

d)

blood vessels dilating

54.

What is the sensor in the model above?

a)

Hypothalamus

b)

muscles

c)

thermoreceptors

d)

Blood vessels

55.

What is an effector in the model above?

a)

Hypothalamus

b)

sweat glands

c)

thermoreceptors

d)

sweating

56.

What is a response (not the result) in the model above?

a)

body temperature increasing

b)

sweat glands

c)

thermoreceptors

d)

sweating