Estuaries are commercially important because

Fish species that people buy and sell live in estuaries

A scientific hypothesis

can be tested by experiments or observations.

Jean-Baptiste Lamarck proposed that organisms

have an innate tendency toward complexity and perfection

Biodiversity is valuable partly because it

Contributes to medicine and agriculture.

3 particles that make up an atom

protons, neutrons, and electrons.

What is true about macromolecules

Proteins are made of amino acids.

Several species of warblers can live in the same spruce tree ONLY because they

Occupy different niches within the tree.

On the Gaápagos Islands, Charles Darwin observed

species similar to mainland South American species.

James Hutton’s and Charles Lyell’s work suggests that

Earth is several million years old.

How does sharing ideas through peer-review articles help advance science?

reading the articles may come up with new questions to study

Which of the following descriptions about the organization of an ecosystem is correct?

Species make up populations, which make up communities.

When farmers select animals or plants to use for breeding, they look for

natural variations that are present in a species.

How does theories compare to a hypothesis

Theories unify a broad range of observations and hypotheses.

Which of the the following make up a molecule of water?

two atoms of hydrogen and one atom of oxygen

How does society help science advance ?

Society raises questions that science can help answer.

The North Pole and the South Pole are

Not classified into major biomes.

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Semester 1 Review

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Prepare students for semester 1

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Questions 34

Answers

1
The simplest grouping of more than one kind of organism in the biosphere is
An ecosystem.
A community.
A population.
A species.
2
Events like war, starvation, could prevent the endless growth of humans was presented by
Charles Darwin
Thomas Malthus
Charles Lyell
Jean-Baptiste Lamarck
3
Estuaries are commercially important because
Lumber trees grow in estuaries.
Fossil fuels are found in estuaries.
Tall buildings can be built in estuaries.
Fish species that people buy and sell live in estuaries
4
A predator is an animal that
Lives on another animal without harming it.
Lives inside another animal.
Kills and eats other animals.
Eats plants.
5
A scientific hypothesis
can be tested by experiments or observations.
can be based on personal beliefs or opinions.
does not have to be tested to be accepted as correct.
is a proven fact with much evidence to support it.
6
A well tested explanation that that explains a lot of observations
an inference.
theory
a controlled experiment
a hypothesis
7
Jean-Baptiste Lamarck proposed that organisms
have an innate tendency toward complexity and perfection
inherit all of the adaptations they display.
belong to species that never change.
have an innate tendency to become simpler as time passes
8
Darwin called the ability of an organism to survive and reproduce in its specific environment
diversity
adaptation
fitness
evolution
9
Farmers can reduce soil erosion by
Contour plowing
Increasing irrigation.
Plowing up roots.
Grazing cattle on the land.
10
How many meters are 2.4 km
240000
24000
240
2400m
11
Biodiversity is valuable partly because it
Contributes to medicine and agriculture.
Tells us about many other species.
Provides humans with resistance to disease.
Gives us interesting things to look at.
12
3 particles that make up an atom
positives, negatives, and neutrals.
protons, neutrons, and electrons.
neutrons, isotopes, and electrons.
protons, neutrons, and isotopes.
13
What is true about macromolecules
Glycerol is made of fatty acids.
Nucleotides are made of nucleic acids.
Proteins are made of amino acids.
Simple sugars are made of polysaccharides
14
Amino acid to protein is the same as
sugar is to fat.
simple sugar is to starch.
fat is to lipid.
DNA is to RNA
15
Several species of warblers can live in the same spruce tree ONLY because they
Don’t eat food from the tree.
Occupy different niches within the tree.
Have different habitats within the tree.
Can find different temperatures within the tree.
16
The lowest level of environmental complexity that includes living and nonliving factors is the
biome.
ecosystem.
community.
biosphere.
17
A substance with a pH of 6 is a
water
base
suspension
acid
18
On the Gaápagos Islands, Charles Darwin observed
species completely unrelated to those found in South America
species exactly like those found in South America.
completely unrelated species on each of the islands.
species similar to mainland South American species.
19
When salt dissolves in water, the water is the
reactant
solvent
solute
solution.
20
James Hutton’s and Charles Lyell’s work suggests that
Earth is several million years old.
Earth is several thousand years old.
all rocks on Earth contain fossils.
all fossils were formed in the last 1000 years.
21
The repeated movement of water between Earth’s surface and the atmosphere is called
the condensation cycle
evaporation.
precipitation.
the water cycle
22
How does sharing ideas through peer-review articles help advance science?
reading the articles may come up with new questions to study
Ideas in the articles always support always support theories
Experiments in peer-reviewed do not need to be repeated.
23
Which of the following descriptions about the organization of an ecosystem is correct?
Species make up communities, which make up populations
Species make up populations, which make up communities.
Populations make up species, which make up communities
Communities make up species, which make up populations.
24
The work of scientists usually begins with
careful observations.
testing a hypothesis.
drawing conclusions.
creating experiments.
25
A mathematical formula to predict population fluctuations in a community could be called a(n)
biological system.
biological experiment.
ecological observation.
ecological model.
26
When farmers select animals or plants to use for breeding, they look for
homologous structures.
characteristics acquired during the lifetime of the organism
species that are perfect and unchanging
natural variations that are present in a species.
27
Earth has three main climate zones because of the differences in latitude and, thus
Distribution of sunlight.
Prevailing winds.
Amount of precipitation received.
Ocean currents.
28
The branch of biology dealing with interactions among organisms and their environment
Recycling
Modeling
Economy
Ecology
29
Information gathered from observing a plant grow 3 cm over a two-week period is called
variables.
inferences.
data.
hypotheses.
30
How does theories compare to a hypothesis
Hypotheses are the dominant view among scientists.
Theories unify a broad range of observations and hypotheses.
Theories are the same as hypotheses.
Hypotheses combine the ideas of theories to explain events.
31
Which of the the following make up a molecule of water?
one atom of hydrogen and one atom of oxygen
one atom of sodium and one atom of chlorine
one atom of hydrogen and two atoms of oxygen
two atoms of hydrogen and one atom of oxygen
32
How does society help science advance ?
Society produces technology that can be used in science.
Society biases steer scientist toward studying certain ideas
Society raises questions that science can help answer.
Society’s morals help scientists make good decisions.
33
A covalent bond is the result of
transferring protons.
transferring electrons.
sharing electrons.
sharing protons.
34
The North Pole and the South Pole are
Part of aquatic ecosystems.
Not classified into major biomes.
Not home to any animals.
Classified as tundra biomes.

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