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Life Science 2nd Benchmark Review Flashcards | StudBud
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Life Science 2nd Benchmark Review
Life Science 2nd Benchmark Review
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7th grade Life Science Benchmark Review that also includes 6th grade material.
Flashcards
52 cards
F
Practice quiz
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Host live
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Questions
52
Answers
1
The unique property of water whereby one water molecule sticks to another water molecule is
Adhesion
Cohesion
Capillary Action
2
The largest population that an area can support is its
Niche
Limiting factor
Carrying capacity
3
A characteristic that helps an organism survive and reproduce is called a (n)
Variation
Mutation
Adaptation
4
Heat is transferred in liquids and gases by
Convection
Radiation
Conduction
5
What is the green pigment in plants that captures sunlight?
Chloroplast
Stomata
Chlorophyll
6
Which of the following cell organelles is found in plant cells but not in animal cells?
Chloroplast
Mitochondria
Vacuole
7
Which of the following scientists did not contribute to the cell theory?
Matthias Schleiden
Charles Darwin
Robert Hooke
8
Te process where genes from one organism are transferred into the DNA of another organism is
Cloning
Selective Breeding
Genetic Engineering
9
During the summer months the northern hemisphere is facing
Towards the sun
Away from the sun
10
Which of the following is an example of an unicellular organism?
Animals
Bacteria
Fungi
11
An electron has which charge
Negative
Positive
Neutral
12
A bird building a nest in a tree is an example of
Commensalism
Parasitism
Mutualism
13
The equation shown above represents what process?
Cellular Respiration
Diffusion
Photosynthesis
14
An organism’s specific role in its community is called its
Carrying capacity
Habitat
Niche
15
Which is the power derived from the energy of falling water or fast running water?
Hydropower
Thermal energy
Solar Power
Wind Power
16
Which phase of the moon is labeled 2?
New Moon
Full Moon
Waxing Cresent
Waning Cresent
17
Which biome is labeled 1?
Tundra
Desert
Taiga
Savanna
18
Conifers belong in which plant group?
Angiosperms
Seedless Vascular Plants
Gymnosperms
Non-vascular Plants
19
Which organelle contains the genetic information for the cell?
Nucleus
Mitochondria
Ribosome
20
What happens to the amount of energy in the pyramid as it moves up through the levels?
It decreases
It decreases then increases
It increases
21
Meiosis produces
Reproductive Cells (Gametes)
Plant Cells
Cells for growth and repair
Animal Cells
22
What is the role of the Sea Otter in the food chain shown?
2nd order consumer
3rd Order Consumer
Producer
23
All of the organisms of the same species that live in an area at the same time is called a
Population
Ecosystem
Community
24
What are the products of photosynthesis?
Carbon dioxide and water
Oxygen and glucose
Carbon dioxide and glucose
25
Bacteria live in stomachs of cows helping them digest the plants that they eat.This is:
Mutualism
Commensalism
Parasitism
26
The organism that hunts and kills anotherorganism for food is called the
Scavenger
Predator
Prey
27
An organism that can make its own food (through photosynthesis) is called a
Producer
Consumer
Decomposer
28
An organism’s genotype is its
Genetic makeup
Height
Physical appearance
29
Air pressure is measured by which instrument
Anemometer
Hygrometer
Barometer
30
What is the cell organelle structure identified by the number 3?
Nucleus
Endoplasmic Reticulum
Mitochondria
31
An inheritable change in the DNA code is called
Adaptation
Variation
Mutation
32
Which of the following cell organelles help transport proteins?
Ribosomes
Nucleus
Endoplasmic Reticulum
33
Tongue rolling(T) is dominant. Using the Punnett Square what percentage will roll their tongue?
0%
25%
100%
75%
34
Which scientist developed the theory of Natural Selection?
Robert Hooke
Charles Darwin
Gregor Mendel
35
Fill in the blank: Cell, ___________, Organs, Organ Systems, Organism
Organelles
Habitat
Tissues
36
What is the independent variable in the graph?
Amount of Fertilizer
Plant Height
37
What cell organelle is involved in photosynthesis?
Chloroplast
Mitochondria
Cytoplasm
38
The non-living parts of an ecosystem are called
Populations
Biotic factors
Abiotic factors
39
Jellyfishes, corals, and sea anemones are examples of animals that belong in this phylum.
Arthropoda
Mollusca
Cnidaria
Echinodermata
40
Many of the trees in this biome shed their leaves and grow new ones each year.
Deciduous Forest
Taiga
Tropical Rainforest
Desert
41
The invention of the microscope made it possible for people to discover
Cells
Plants
Skin
42
Which phase of the moon is labeled number 1?
Full Moon
New Moon
Waning Cresent
Waxing Cresent
43
Arthropods have an
endoskeleton
exoskeleton
44
Cellular transport through the cellular membrane that
requires
the use of cellular energy is
Passive Transport
Diffusion
Active Transport
45
What is the cell organelle structure identified by the number 1?
Vacuole
Mitochondria
Endoplasmic Reticulum
46
In the water cycle shown, which process is labeled number 2?
Condensation
Evaporation
Precipitation
47
Which two scientists determined the structure of DNA?
Rosalind Franklin and Francis Crick
Robert Hooke and James Watson
James Watson and Francis Crick
48
During what stage of the cell cycle does DNA replication occur?
Interphase
Cytokinesis
Metaphase
49
This element accounts for about 75% of the earth's atmosphere
Oxygen
Nitrogen
Carbon
50
Which term refers to the diffusion of
water
molecules through a selectively permeable membrane?
Osmosis
Active Transport
Facilitated Transport
51
Which unit of measurement measures length?
Grams
Meters
Liters
52
Which of the following is considered an abiotic factor in an ecosystem?
Sunlight
Rabbit
Plant
