On the Gaápagos Islands, Charles Darwin observed

species similar to mainland South American species.

3 particles that make up an atom

protons, neutrons, and electrons.

A scientific hypothesis

can be tested by experiments or observations.

The North Pole and the South Pole are

Not classified into major biomes.

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

Earth is several million years old.

What is true about macromolecules

Proteins are made of amino acids.

Estuaries are commercially important because

Fish species that people buy and sell live in estuaries

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

natural variations that are present in a species.

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

reading the articles may come up with new questions to study

Jean-Baptiste Lamarck proposed that organisms

have an innate tendency toward complexity and perfection

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.

Biodiversity is valuable partly because it

Contributes to medicine and agriculture.

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

Occupy different niches within the tree.

How does theories compare to a hypothesis

Theories unify a broad range of observations and hypotheses.

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

Species make up populations, which make up communities.

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Semester 1 Review

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Questions 34

Answers

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

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