How do most primary producers make their own food?

by using light energy to make carbohydrates

Who reviews articles for peer-reviewed journals?

anonymous and independent experts

The greenhouse effect is

a natural phenomenon that maintain's Earth's temp range

Why is an organism's niche like a person's occupation?

An organism can "make a living" and survive in its niche

Electron microscopes can reveal details

1000 times smaller than those visible in light microscopes

Which of the following would describe a population that is decreasing in size?

the death rate is becoming higher than the birthrate

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Biology First Semester Review 4 2015

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Questions 22

Answers

1
A word that means the same thing as consumer is
heterotroph
carbohydrate
autotroph
producer
2
How do most primary producers make their own food?
by using chemical energy to make carbohydrates
by breaking down remains to make carbon dioxide
by changing water into carbon dioxide
by using light energy to make carbohydrates
3
If a population grows larger than the carrying capacity, which is most likely to happen?
the birthrate may rise
the birthrate must fall
the death rate must fall
the death rate may rise
4
Which of the following is NOT likely to be a limiting factor in the sea otter population?
predation
drought
competition
disease
5
Which of the following is NOT a characteristic of living things?
ability to reproduce
growth and development
response to the environment
ability to move
6
Who reviews articles for peer-reviewed journals?
anonymous and independent experts
the scientists who did the experiments
people who paid for experiments
friends of the scientists who wrote the articles
7
The greenhouse effect is
a natural phenomenon that maintain's Earth's temp range
something that has only occurred for the last 50 years?
the result of differences in the angle of the sun's rays
an unnatural phenomenon that causes heat to go back to space
8
The movement of organisms into a range is called
immigration
population shift
carrying capacity
emigration
9
After a natural disaster, such as a hurricane or drought, a population
can thrive and increase
will reach its carrying capacity
will experience exponential growth
can be mostly killed off
10
Which of the following organisms are prokaryotes?
bacteria
animals
plants
fungi
11
A predator is an animal that
lives on another animal without harming it
kills and eats other animals
lives inside another animal
eats plants
12
During a controlled experiment, a scientist isolates and tests
a single variable
a conclusion
a control group
a mass of information
13
Cell specialization allows cells to
be less complex
reproduce
perform different functions
respond to their environment
14
Which of the following is an example of an organ?
heart
nerve cell
epithelial tissue
digestive system
15
Why is an organism's niche like a person's occupation?
An organism makes "money" by working in its niche.
A niche is a "company" that the organism has to work in.
An organism can "make a living" and survive in its niche
A niche is a "factory" where organisms build things.
16
Electron microscopes can reveal details
1000 times smaller than those visible in light microscopes
only in specimens that are still alive
of cell structures only once they are stained
about the different colors of cell structures
17
Unlike the cell membrane, the cell wall is
selectively permeable
a rigid structure
found in all organisms
composed of a lipid bilayer
18
Polar bears live in the arctic. The arctic is their
microclimate
tolerance
niche
habitat
19
A model of the complex feeding relationships among organisms in a community is
ecosystem
food web
population
food chain
20
Which of the following would describe a population that is decreasing in size?
the death rate is becoming lower than the birthrate
the birthrate and the deathrate remain the same
the death rate is constant and the birthrate is increasing
the death rate is becoming higher than the birthrate
21
Each of the following is an abiotic factor in the environment EXCEPT
plant life
dirt type
rainfall
temperature
22
What are the smallest objects that biologist study?
organisms
body organs
cells
molecules

Biology First Semester Review 4 2015 Flashcards | StudBud