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Science Review Ch. 1 Flashcards | StudBud
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Science Review Ch. 1
Science Review Ch. 1
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#McGraw-Hill Science 4th Grade
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is usually missing from a heavily wooded forest?
soil
rocks
tree roots
grass
2
A characteristic of a living thing is known as ...
classification
trait
gene
type
3
An organism that makes its own food is known as a .....
decomposer
animal
species
producer
4
The smallest unit of living matter ....
hair
organ
cell
skin
5
Which animal does not belong in the same family as the others?
dog
lion
tiger
cat
6
The cell wall in a plant cell is thick and stiff because....
it protects and supports the cell
it controls the cell's ac tivities
it produces the cell's food
it protects and supports the nucleus
7
The largest group into which an organism is classified is....
species
genus
phylum
kindom
8
With which other animal in its class can a lion successfully reproduce?
dog
lion
monkey
wolf
9
Molds, fungi, and bacteria are examples of
gross stuff
consumers
decomposers
producers
10
What role do plants play in a community?
consumer
composer
decomposer
producer
11
Which of these is alive?
sun
rock
milk
tree
12
Scientists can build artificial hearts for people. What does artificial mean?
like a museum picture
very old
made out of plastic and metal
goes faster than the normal heart
13
What do plant cells have that animal cells do not have?
nucleus
cell membrane
chloroplast
chemical factory
14
All the organisms in a population form a....
kingdom
community
family
city
15
Which part of a cell is responsible for reproduction?
chloroplast
cell wall
nucleus
vacuole
16
Which is not an example of a micro organism?
paramecium
amoeba
tadpole
euglena
17
Which feature will a bird, fish, reptile and human have in common when they are fully developed
feet
gill slits
backbone
a tail
18
Which of these animals is extinct?
horse
barn owl
skunk
dinosaur
19
The remains of an organism that lived in the distant past is a/an ....
fossil
skeleton
grave
carcas
20
Why do you think your nerve cells are very long?
they move water through the body
they need to be sensitive
they must slip through blood vessels
they carry messages through the body
21
Which is the name of the instrument that a scientist would use to magnify a cell x 50,000 times
magnifying lens
electron microscope
electron telescope
microscope
22
Which of the following is not a good way to prevent decomposers from spoiling food?
pickling
deep-freezing
soaking in water
salting
23
The lion belongs to which kingdom?
bacteria
animal
micro-organism
plant
24
If none of a kind of organism remains alive on Earth, it is ....
decomposed
extinct
lost
retired
25
Humans are examples of .....
animals
consumers
producers
decomposers
26
The smallest unit of living matter ___ Organized into ___ organized into ___ into____ into ___
cell, tissues, organs, organ system, organism
cell, organs, organism, tissue, organ system
cell, organism, organs, tissue, organ system
cell, organ, tissue, organism, organ system
27
A living thing's home is called its ....
habitat
food web
soil
trait
28
Which of the following is a body part that has not been successfully transplanted by doctors?
brain
heart
bones
teeth
29
Which classification is the smallest within a kingdom?
Species
Phylum
Genus
Family
30
The basic needs of most living things include ...
water
oxygen
food
all of the above
