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Biology Midterm Review Flashcards | StudBud
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Biology Midterm Review
Biology Midterm Review
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1
Which is a key difference between plant an animal cells?
Eukaryotes have ribosomes, plant cells do not
Eukaryots have a cell membrane, plant cells do not
Plant cells have a cell wall, animal cells do not
Plant cells have a nucleus, eukaryotic cells do not
2
Which organism is an herbivore?
Snake
Bird
Mouse
Owl
3
Animals give off ____ during cellular respiration.
Blood
Oxygen
Carbon dioxide
Methane
4
Letter A is the _____ and is responsible for ______.
Heart; pumping blood
Brain; controls all body processes
Capillaries; gas exchange
Lungs; breathing
5
What is the independent variable?
temperature of water
amount of sunlight
number of tadpoles
water pH
6
pine tress are an example of a...
producer
consumer
decomposer
7
Decomposers...
break down dead organisms
Make water for the ocean
Make food for consumers
Break down living organisms
8
Which type of cell has a nucleus?
Plant cell (eukaryotic)
All eukaryotic cells
All prokaryotic cells
Animal cell (eukaryotic)
9
If the grass begins with 200 kcal (unit of energy), how much energy will the mouse recieve from the grasshopper?
.20 kcal
20 kcal
2 kcal
200 kcal
10
Pos or neg feedback: Your body temperature decreases, causing your body to shiver. The body temperature increases.
Positive
Negative
11
Which organism in the diagram is a producer?
owl
mouse
grasshopper
grass
12
The function of the mitochondria in a cell is to...
It has no function
Store DNA
Make protein
Make energy
13
rabbits are an example of a...
producer
decomposer
consumer
14
According to the food chain, which organism is a secondary consumer?
Fox
Grasshopper
Snake
Mouse
15
fungi (like mushrooms) are an example of...
a producer
a consumer
a decomposer
16
What is precipitation in the water cycle?
Clouds releasing water as rain
Water running off into a body of water
Water turning into vapor
Water loss through leaves
17
Food is broken down in the _____ system, and nutrients are delivered via the _____ system
Digestive, nervous
Endocrine, circulatory
Digestive, circulatory
Nervous, digestive
18
If the amount of carbon dioxide in the atmosphere increases, which of the following could occur?
Sea levels will decrease
Many new animal and plant species will evolve.
Biodiversity on earth will decrease
The rate of global climate change might decelerate (slow down)
19
What is a pioneer organism?
An organism that grows first during primary succession
An organism that grows last during primary succession
An organism does not grow during primary succession
20
What percent energy will the hawk recieve from the mouse?
10%
.1%
50%
100%
21
Letter E is the _____ and is responsible for ______.
intestine; digestion
Capillaries; gas exchange
Brain; controls all body processes
Heart; pumping blood
22
moss is an example of a...
decomposer
consumer
producer
23
Which organism in the diagram is a secondary consumer?
owl
mouse
grasshopper
grass
24
What was the population of the earth in 1800?
1.5 billion
1 billion
2 billion
3.5 billion
25
What is the control group
Group that changes
Group that keeps everything different
Group that does not change
All of the above
26
What is Biology?
the study of the ocean
the study of bio
The study of space
the study of life
27
What percent of males in the US were smokers in 1940?
20%
50%
10%
80%
28
the final stage (the resulting community) of ecological sussession is called..
climax community
Pioneer community
defected community
seral community
29
Letter B is the _____ and is responsible for ______.
Brain; controls all body processes
Lungs; breathing
Heart; pumping blood
Capillaries; gas exchange
30
What is transpiration in the water cycle?
Water running off into a body of water
Water turning into vapor
Clouds releasing water as rain
Water loss through leaves
31
Which is the experimental and control group?
Group A - Experimental Group. Group B - Control Group
Group A - Control Group. Group B - Experimental Group
32
Letter D is the _____ and is responsible for ______.
intestine; digestion
Brain; controls all body processes
Heart; pumping blood
Capillaries; gas exchange
33
What is the dependent variable?
Temperature (C)
Month (m)
Day of week (w)
Hours (h)
34
We sweat when we exercise in order for our bodies to...
Pump blood
Digest food
Heat up
Cool down
35
What would be the independent variable here?
Year
Percent of male smokers/male deaths
Country the data was taken for
36
Letter C is the _____ and is responsible for ______.
Lungs; breathing
Capillaries; gas exchange
Brain; controls all body processes
Heart; pumping blood
37
How does breathing heavier during exercise help the body maintain homeostasis?
It allowes your muscle cells to get more oxygen
Oxygen does not help thre body
It helps digestion
It allows your brain to function
38
What is a greenhouse gas?
A gas that is flammable
A gas that contributes to climate change
A gas that does not affect climate change
39
Bacteri is an example of...
a decomposer
a consumer
a producer
40
According to the food chain, which organism is a predator to rabbits?
Fox
owl
Snake
Bird
41
rabbits are an example of a...
producer
decomposer
consumer
42
What is runoff in the water cycle?
Clouds releasing water as rain
Water loss through leaves
Water turning into vapor
Water running off into a body of water
43
What inference can you make from the data given?
The lower the percent of smokers, the larger the percent of deaths.
The larger the percent of smokers, the larger the percent of deaths.
Percent of male smokers did not correlate with percent of deaths.
44
What is evaporation in the water cycle?
Water loss through leaves
Water turning into vapor
Water running off into a body of water
Clouds releasing water as rain
45
Which of the following contributes to greenhouse gasses (like CO2)?
Fishing
Burning fossil fuels
Hunting
Deforestation
46
An INDEPENDENT VARIABLE
Is the one that is measured in the experiment
Is the one that you change on purpose
All choices are correct
Is the one that remains the same throughout the whole experiment
47
Accoridng to the food chain below, which is an organism that eats frogs?
Owl
Grasshopper
Bird
Mouse
48
What is a control group?
a part that stays the same
participants who do receive the experimental treatment
participants who do not receive the experimental treatment
a part that causes the experiment to be changed
49
Which would be the BEST label for the yaxis (dependent variable)?
Country
Amount of people in billions
Cause in change of population
Year number
50
A DEPENDENT VARIABLE
Is the one that you change on purpose
All choices are correct
Is the one that is measured in the experiment
Is the one that remains the same throughout the whole experiment
51
What is the dependent variable?
Mickey and Donald
Amount of fish caught
Nylon Net
Yarn Net
52
Which plant is the control group?
The plant without the fertilizer.
The plant receiving 10 ml of fertilizer.
53
the 10% rule of food chains/food webs explains that...
Predators only eat 10% of their prey
Producers only recieve 10% of their energy from the sun
10% of organisms have predators
10% energy from one trophic level will be sent on to the next predator
