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Bio Semester 1 Review (chapter 1-4) Flashcards | StudBud
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Bio Semester 1 Review (chapter 1-4)
Bio Semester 1 Review (chapter 1-4)
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Chapters 1-4
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
In a chemical reaction, a reactant binds to an enzyme at a region known as the
product
active site
substrate
catalyst
2
What are the nonliving components of the ecosystem?
antiobiotics
abiotic factors
trophic levels
biotic factors
3
Proteins are polymers formed from
amino acids
carbohydrates
nucleic acids
lipids
4
Which of the following statements about the image shown below is NOT an observation?
The insect's pattern shows it is poisonous.
The insect has a pattern on its back.
The insect has 3 legs on the left side.
The insect is orange and black.
5
Sugars are to starches as
enzymes are to nucleotides
proteins are to amino acids
fatty acids are to lipids
nucleic acids are to nucleotides
6
Producers are organisms that
consume plant and animals
convert energy from the environment into sugars
rely on other organisms for their energy and food
obtain energy by only eating plants
7
A relationship when one organism is helped and another is neither helped nor harmed is called
parasitism
mutualism
competition
commensalism
8
Which of the following organisms is an example of a decomposer?
fox
bacteria
blue jay
tree
9
The series of steps in which a large fish eats a small fish that has eaten algae is a(n)
food web.
biogeochemical cycle
trophic level
food chain.
10
Which of the following statements about a controlled experiment is true?
you cannot perform one on living things.
only one variable is tested at a time
everything can be studied in a controlled experiment
all the variables are the same.
11
The process by which organisms maintain relatively stable internal environments is called
metabolism
evolution
genomes
homeostasis
12
An inference is
a way to avoid bias.
a logical interpretation of an observation
a statement using numbers
the same as an observation
13
The relationship between a tick and its host is an example of
competition
parasitism
mutualism
commensalism
14
when 2 cells from differen parents fuse to make a new organism, it is called
sexual reproduction
homeostasis
development
asexual reproduction
15
Which term describes a group of different species that live together in an area?
a population
an ecosystem
a community
a biosphere
16
To be useful in science, a hypothesis must be
testable
observable
correct
measurable
17
All life on Earth exists in
an ecosystem
the biosphere
ecology
a biome
18
Fires, hurricanes, and other natural disasters can result in
parasitism
commensalism
competition
succession
19
Enzymes speed up reactions by
absorbing energy
raising activation energy
lowering activation energy
releasing energy
20
Nutrients move through ecosystems in
ecological pyramids
biogeochemical cycles
water cycles
energy pyramids