Which of the following is a benefit of microorganisms?

They are used to make medicine.

Which of these are characteristics of inherited traits?

having green eyes and brown hair

Would it be good for your health to kill all the bacteria in your body?

No. Many bacteria in your body are beneficial.

When we forget to wash our hands, we are doing which of the following?

spreading harmful mircrobes to other people

Which of the following is true about vertebrates?

vertebrate bodies are more complex than those of invertebrates

How are dandelion seeds different from apple seeds?

Dandelion seeds are light and can be carried by the wind.

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Life Science Part 1

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Questions 20

Answers

1
Which of the following is a benefit of microorganisms?
They do not multiply.
They feed on living things.
They remove minerals from the soil.
They are used to make medicine.
2
Several scientists observe an animal with hair and wings. This animal is a
butterfly.
bat.
bird.
flying squirrel.
3
Which animals are cold-blooded, live part of their lives in water and part on land, and go through metamorphosis?
mammals
reptiles
birds
amphibians
4
Which of these can be caused by a microorganism?
broken finger
tooth decay
sprained wrist
paper cut
5
Which of these microorganisms is considered harmful?
bacteria in yogurt
yeast in bread
fungus in antibiotics
mold on fruit
6
Which of these are characteristics of inherited traits?
becoming an extrovert
mastering multiplication tables
having green eyes and brown hair
the ability to speak in front of a crowd
7
Which structure would best indicate that an organism is a plant?
ribosome
lysosome
chloroplast
Golgi body
8
Would it be good for your health to kill all the bacteria in your body?
No. The harmful bacteria in your body are important.
Yes. Getting rid of all bacteria in the body would prevent most diseases.
No. Many bacteria in your body are beneficial.
Yes. Most bacteria in your body are harmful.
9
Which cellular structure is found in plants, but not in animals?
chloroplast
mitoochondria
endoplasmic reticulum
nucleus
10
Which structure is found in a plant cell but not in an animal cell?
nucleus
cell membrane
chromosomes
cell wall
11
All vertebrate animals have
scales.
hair.
warm blood.
backbones.
12
Which arrow points to a mitochondrion?
arrow B
arrow C
arrow A
arrow D
13
Some bacteria can be beneficial because they produce
fruit.
water.
energy.
cheese.
14
When we forget to wash our hands, we are doing which of the following?
spreading harmful mircrobes to other people
not washing our hands will not spread disease or germs to other people
spread both beneficial and harmful microbes to other people
spreading beneficial microbes to other people
15
Which structures differentiate plants from other organisms?
cell membranes
cell walls
nuclei
veins
16
Which of the following is true about vertebrates?
vertebrates have no backbone
vertebrates are primitive animal groups
there are many more vertebrates than invertebrates
vertebrate bodies are more complex than those of invertebrates
17
Which of the following would be least useful in a classification scheme for mammals?
shape of teeth
digestive system
color of hair
skeleton bones
18
Organisms with a body covering of feathers are classified as
insects.
birds.
mammals.
fish.
19
How are dandelion seeds different from apple seeds?
Dandelion seeds produce new plants.
Dandelion seeds need rain, soil, and sunlight to germinate.
Dandelion seeds are not formed from the flowers.
Dandelion seeds are light and can be carried by the wind.
20
Which of these is NOT an instinctive behavior?
a hourse pulling a plow
a bear hibernating in winter
a bird building a nest
a turtle burying its nest

Life Science Part 1 Flashcards | StudBud