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Duplicate of 8th Grade CAST Life Science Review Flashcards | StudBud
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Duplicate of 8th Grade CAST Life Science Review
Duplicate of 8th Grade CAST Life Science Review
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Life Science Science Review #science #life #CAST #review #life science #NGSS #CAST
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
DNA mutations can be...
all of the above
harmful
beneficial (helpful)
or have no effect
2
Examine the graph. What is causing the change in the population of female song sparrows?
competition with other bird species
not enough information
habitat loss
changes in food
3
What is happening at number 3 in the water cycle shown?
precipitation
perspiration
evaporation
condensation
4
Which layer of rock contains the oldest fossils?
Layer B
cannot be determined
Layer A
Layer C
5
An organelle that performs photosynthesis (energy from the sun to build sugar molecules)
mitochondria
cell membrane
chloroplasts
nucleus
6
Which of the following is an example of an ecosystem service?
pollination of crops by bees
regulation of atmospheric gases by algae
all of the above
purification of water by wetlands
7
What process do cells use to change food and oxygen into carbon dioxide, water, energy?
eating
cellular respiration
mitosis
photosynthesis
8
Which produces more variation (differences) in offspring?
asexual and sexual reproduction produce the same variation
asexual reproduction
none of the above
sexual reproduction
9
Oxpeckers sit on rhinos and eat parasites that live on rhino's skin. This is an example of...
none of the above
mutualism
predation
competition
10
One main difference between plant and animal cells is...
Animal cells have chloroplasts
Plant cells have a nucleus
Animal cells have a cell membrane
Plant cells have a cell wall
11
What is the average yearly temperature and precipitation of a region?
weather
biome
climate
ecosystem
12
Examine the graph. What is causing the change in the population of female song sparrows?
competition with other bird species
not enough information
habitat loss
changes in food
13
True or False: You have one copy of every gene.
True
False
14
Similarities in embryonic development show that...
organisms share a common ancestor
all of the above
which organisms are closely related
similarities between organisms
15
What is a producer in the food web?
swallowtail caterpillar
black bear
bolete fungus
persimmon tree
16
The respiratory system works with the ______________ system to transport oxygen around the body
excretory
digestive
nervous
circulatory
17
The smallest unit of life is a...
cell
electron
organism
molecule
18
Where does most energy on Earth come from?
Space
The Earth's core
The Sun
The Moon
19
What are the 3 main parts of the nervous system?
brain, spinal cord, neurons
brain, heart, liver
kidneys, bladder, urethra
bones, joints, ligaments
20
What will happen to the mice population over time? (What would picture 3 show?)
decrease in all mice
stay the same
increase is gray mice
increase in white mice
21
Which of the following accurately describes the levels of organization of an organism?
tissue->molecule->atom->organism-> cell->organ->organ system
organism->cell->organ system->organ-> atom->tissue->molecule
cell->atom->molecule->tissue->organ->organ system->organism
atom->molecule->cell->tissue->organ->organ system->organism
