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8th Grade SSA Review Life Science Flashcards | StudBud
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8th Grade SSA Review Life Science
8th Grade SSA Review Life Science
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life science review
Flashcards
17 cards
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Answers
1
All of the following factors affect an area's biodiversity
except
diversity of niches.
area.
climate.
research.
2
Which level of organization is represented by the structure labeled D in the diagram?
tissue
organ
cell
organ system
3
An organism's scientific name includes which of the following parts?
order and species
domain and genus
kingdom and family
genus and species
4
How are the biceps and the bones of the arm related?
They work together to pump blood to the fingers.
They work independently to react to stimuli.
They work independently with specialized functions.
They work together to lift the forearm.
5
What role does carbon dioxide play in the process of photosynthesis?
It mixes with glucose to produce oxygen.
It reacts in chloroplasts to produce sugars.
It reacts with oxygen to produce water.
It mixes with chlorophyll to produce light.
6
What is the unit of structure and function in organisms?
nucleus
organelle
tissue
cell
7
The process by which your body breaks down food into small nutrient molecules is called
enzyme.
peristalsis.
absorption.
digestion.
8
Which of the following might restrict the growth of a population?
ample rainfall
increased numbers of prey
mild winters
increased predation
9
In which of the following ecosystems would you expect to find the greatest biodiversity?
a large city park
a desert preserve
a temperate forest
a coral reef
10
How does exercise help maintain healthy bones?
by decreasing the need for calcium in the bones
by making bones grow stronger and denser
by making bones produce stronger outer membranes
by making bones thinner and more brittle
11
Which organ systems help deliver oxygen to body cells?
respiratory and circulatory systems
circulatory and immune systems
digestive and excretory systems
endocrine and muscular systems
12
Which of these cells have a cell wall and chloroplasts?
Animal cells
Plant cells
Fungal cells
Bacteria cells
13
What process do cells undergo to form two new cells identical to the original cell?
Mitosis
Reproduction
Splitting
Meiosis
14
Which cell organelle is responsible for converting food into ATP (energy) for the cell?
Ribosome
Mitochondria
Nucleus
Lysosome
15
Which of these organisms plays a major role in
both
the carbon cycle and the water cycle?
bacteria
animals
mushrooms
trees
16
Based on fossil evidence, scientists infer that the first vertebrates on Earth were
birds.
fish.
amphibians.
reptiles.
17
In which kind of tissue would you find brain cells?
epithelial
muscle
connective
nervous
