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Grade 7 MCAS Life Science Crash Course Flashcards | StudBud
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Grade 7 MCAS Life Science Crash Course
Grade 7 MCAS Life Science Crash Course
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8th grade MCAS Life Science Review
Flashcards
31 cards
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Practice quiz
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Host live
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Questions
31
Answers
1
Which of the following parts of the human body are most complex?
kidney
central nervous system
heart
white blood cell
2
Which of the following best describes a role of mushrooms in ecosystems?
taking energy from animal hosts
consuming living plant material
capturing energy from sunlight
breaking down dead plant material
3
Human activity most likely contributes to which of the following changes on earth?
increase in atmospheric carbon dioxide
decrease in volcanic eruptions
increase in day length
decrease in large earthquakes
4
A farmer stops using his 10 acre farm letting the grass grow and fencing it off. In 20 years
overgrown bushes and small trees
moss and rock
mature hardwood forest
barren
5
Under a microscope this plant-like organism has many cell walls and no chloroplasts. Kingdom...
Protista
Fungi
Animalia
Eubacteria
6
Which would help classify an organism into a kingdom?
location found
anatomical structure
color
natural habitat
7
Which two body systems work together to transport oxygen to cells?
respiratory and circulatory
skeletal and respiratory
respiratory and reproductive
digestive and respiratory
8
Which of the following is a product of photosynthesis in plants?
sugar
sodium chloride
Carbon dioxide
nitrogen
9
Which of the following is not present in animal cells?
cell wall
nucleus
mitochondrion
cell membrane
10
Which of the following organisms produce energy from sunlight?
grass
worm
rabbit
hawk
11
What organisms are likely to be found on a dead tree?
decomposers
consumers
producers
predators
12
The number of chromosomes in a normal liver cell...
23 pairs
46 different types
23 original 23 copies
46 male and 46 female
13
Oxygen and sugar are products of
photosynthesis
respiration
cell division
digestion
14
Comparing these two fish skeletons would best show evolution
a recent fish with a long ago fish
same fish before and after a cut
a male and female
same fish when small and again as adult
15
Which most likely caused the extinction of the heath hen?
plentiful food supply
overhunting
abundant nesting sites
stable climate
16
What do these organisms have in common?
Made of cells
they cause disease
decompose other organisms
produce their own food
17
Gas exchange, diaphragm, and inhale are all most closely associated with
excretory system
respiratory system
circulatory system
digestive system
18
This population would likely go down if rats, rabbits, and snakes were eliminated
mushrooms
grasses
hawks
earthworms
19
The primary advantage of sexual reproduction over asexual reproduction is ...
More food for offspring
Greater genetic variety in offspring
More offspring
longer development time for offspring
20
Which explains why the beak shape of each bird developed differently?
Food Sources
Nest Construction
Different Songs
Protection from predators
21
Lichens are made of green algae and fungi. What do the green algae give the fungi?
water
Carbon dioxide
food
protection
22
Where would this cell most likely be found?
mushroom
leaf
bark
frog
23
What does this similarity in bone structure suggest about these 4 different animals?
migrate to same location
evolved from a common ancestor
same method of travel
manipulate objects the same way
24
What are the basic structural units of living organisms?
organs
nuclei
tissues
cells
25
Substances enter a plant or animal cell through which of these...
chloroplast
vacuole
nucleus
cell membrane
26
What kingdom would you find a paramecium in?
Animalia
Plantae
Fungi
Protista
27
What could account for rapid rabbit population increase?
less water available
migration of new animal that eats rabbit food
rabbit predator eliminated
High competition for food
28
The starch and water molecules in potato cells are stored in what organelle?
ribosome
nucleus
vacuole
mitochondrion
29
Present in animal and plant cells. Makes energy for the cell
cell wall
mitochondrion
chloroplast
nucleus
30
Which list is in order from simple to most complex?
cells, tissues, organs, organ systems, organisms
cells, organs, tissues, organ systems, organisms
tissues, organs, cells, organ systems, organisms
tissues, cells, organs, organ systems, organisms
31
How is a skin cell from a mouse similar to an amoeba?
Both need energy
Both have cell walls
both move with pseudopodia
both consume carbon dioxide
