An important function of the circulatory system is to...

transport nutrients to other parts of your body

What do humans and plants have in common?

Both conduct respiration and are made of cells

Ali wants to find out how long it takes her baby sister to fall asleep. Variables that might affect her experiment are..

Both time of day and noise level

What do most plants need for photosynthesis to occur?

carbon dioxide, water, and sunlight

The height of a plant is likely determined by...

both genetic and environmental factors

The process of new species forming.

You've just eaten lunch. What path does food take through your digestive system?

esophagus, stomach, small intestine, large intestine

What is true about the Galapagos finches?

The different species of finches were the result of environmental changes.

In biology, the word cell describes...

the basic unit of organization of living things

Which statement best describes an important difference between plants and animals?

Plants use photosynthesis to get food while animals eat other organisms

During digestion, how does mechanical breakdown affect chemical breakdown?

Mechanical breakdown increases the speed of chemical breakdown

Which of the following is an example of asexual reproduction?

A worm is split in two, each half grows back into a complete worm

A trait can be determined by...

One gene, many genes, or the environment

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Questions 38

Answers

1
Which is NOT part of a well-designed experiment?
Multiple trials
A reproducible procedure
Small sample size
Contol(s)
2
An important function of the circulatory system is to...
control muscle movement
break down food
absorb nutrients
transport nutrients to other parts of your body
3
What do humans and plants have in common?
Nothing
Both conduct cellular respiration
Both are made of cells
Both conduct respiration and are made of cells
4
What type of diagram can be used to show how current species are related to past species?
A family web
An evolutionary tree
A timeline
A pie chart
5
Which of the following is organized from largest to smallest structure?
cells, chromosomes, genes
genes, chromosomes, cells
chromosomes, cells, genes
cells, genes, chromosomes
6
Touch receptors are part of which body system?
Nervous
Immune
Skeletal
Endocrine
7
The part of a plant cell that normally contains most of its genetic material is the...
Organelle
Cell Wall
Nucleus
Chloroplast
8
Ali wants to find out how long it takes her baby sister to fall asleep. Variables that might affect her experiment are..
Time of day
Neither time of day nor noise level
Noise level
Both time of day and noise level
9
What do most plants need for photosynthesis to occur?
oxygen, water, and sunlight
carbon dioxide, water, and sunlight
food, water, and sunlight
oxygen, carbon dioxide, and water
10
Which of the following best describes structures in the human body from the largest to smallest?
organ, tissue, cell, organelle
organelle, organ, tissue, cell
organ, tissue, organelle, cell
organ, cell, tissue, organelle
11
What is true about antibiotics?
Antibiotics can be used to treat viral infections.
Both yellow and red
Bacteria have developed resistance to antibiotics.
Antibiotics are used to treat bacterial infections.
12
The height of a plant is likely determined by...
genetic factors
neither genetic nor environmental factors
both genetic and environmental factors
environmental factors
13
What safety rules should you always follow while doing a science lab?
clearly label all chemicals
tell your teacher immediately if a spill occurs
wear safety goggles at all times
All of the above
14
What is speciation?
The process of new species forming.
The dividing of a species into categories.
The ranking of species.
The loss of species over time.
15
What is true about mutations?
If a mutation occurs when forming a sex cell, the offspring is affected.
All of the above are true.
Many mutations are harmful.
Mutations occur when a mistake is made as DNA is being copied
16
Testing medicines on people involves both benefits and risks. Accepting the risk in order to gain a benefit is known as
A Conclusion
Evidence
A consequence
A trade-off
17
Which of the following are multicellular?
none
plants
animals
both animals and plants
18
Why might a species go extinct?
The species could not compete with new species that evolved.
A meteor strike
All of the above
The environment changed and the species could not adapt.
19
You've just eaten lunch. What path does food take through your digestive system?
esophagus, stomach, large intestine, small intestine
esophagus, stomach, small intestine, large intestine
stomach, esophagus, small intestine, large intestine
stomach, small intestine, large intestine, esophagus
20
An important function of the digestive system is to...
transport nutrients
control muscle movement
absorb oxygen
absorb nutrients
21
What is true about the Galapagos finches?
There are 17 species of finches on the islands.
The different species of finches were the result of mutations.
All of the species of finches came from the mainland.
The different species of finches were the result of environmental changes.
22
Blood transports...
nutrients
oxygen
all of the answers
carbon dioxide
23
Blood is primarily moved around the body by...
The process of breathing
Skeletal movement
The heart beating
None of the above
24
Which of the following structures is/are found in the cells of plants but not animals?
Cell wall
Cell membrane
Nucleus
Mitochondria
25
Substances pass in and out of a cell through the...
Ribosomes
Cell Membrane
Nucleus
Mitochondria
26
In biology, the word cell describes...
the largest unit of organization of living things
small rooms
nothing
the basic unit of organization of living things
27
Which of the following lists includes only organisms composed of cells?
protists, bacteria, plants
bacteria, animals, nuclei
protists, bacteria, viruses
bacteria, plants, mitochondria
28
Nutrients are...
needed by every cell
all of the above
absorbed in the small intestine
transported by the blood
29
Which statement best describes an important difference between plants and animals?
Plants get food from the soil while animals eat other organisms
Animals are alive, but plants are not
Animals are made of cells, but plants are not
Plants use photosynthesis to get food while animals eat other organisms
30
During digestion, how does mechanical breakdown affect chemical breakdown?
It doesn't affect chemical breakdown
None of the above
Mechanical breakdown increases the speed of chemical breakdown
Mechanical breakdown decreases the speed of chemical breakdown
31
Which is not part of the digestive system?
Taste Bud
Mouth
Small Intestine
Stomach
32
What type of organisms were the first form of life on Earth?
Protists
Dinosaurs
Bacteria
Trilobites
33
Which of the following is an example of asexual reproduction?
Flowers from two different plants are mated to produce a seed
A worm is split in two, each half grows back into a complete worm
A gray cat is the offspring of a black cat and a white cat
A fish releases sperm, which unites with an egg from another fish
34
A trait can be determined by...
The environment
One gene, many genes, or the environment
Many genes
One gene
35
Cells do which of the following?
All of the above
Respire
Take in nutrients
Produce wastes
36
Which of the following are wastes produced by your body?
carbon dioxide
all answers
feces
urine
37
How do environmental conditions affect the survival of a species?
All of the above.
Changing conditions can drive speciation as well as extinction.
A species with traits best suited has more success
Changes in the environment drive natural selection.
38
What group of species make up the largest percentage of the total number of species on earth?
Plants
Insects
Protists
Chordates

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