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From Molecules to Organisms Flashcards | StudBud
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From Molecules to Organisms
From Molecules to Organisms
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Basic 7th Grade Level Review
Flashcards
45 cards
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Practice quiz
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Host live
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Questions
45
Answers
1
The brain is an organ, and is part of the ___ system.
digestive
nervous
respiratory
circulatory
2
This organelle provides structure and support, like a tough outside layer.
cell membrane
chloroplast
nucleus
cell wall
3
Cells, cells, they're made of ___.
tissues
organelles
organs
cells
4
What do all organisms need?
living space
stable internal conditions
water
food
5
An organism that can make its own food is called ____.
food web
heterotroph
food chain
autotroph
6
The invention of the ___ made it possible to discover cells.
telescope
animal
plant
microscope
7
Atoms, molecules, organelles, cells, ___, organs, organs systems, organisms.
idk
lysosomes
nucleus
tissues
8
This organ system includes gas exchanging organs such as skin, gills, and lungs.
digestive
nervous
respiratory
excretory
9
An ___, such as your brain, is made of different kinds of tissues that function together.
cell
organ system
tissue
organ
10
Which of the following is
NOT
a characteristic of life?
Breaths
Changes over time
Reproduces
Organized by cells
11
What type of cells have a nucleus?
prokaryotic
eukaryotic
12
This organelle converts energy in food to energy used by the cell. Powerhouse of the cell.
mitochrondria
cell membrane
nucleus
chloroplast
13
Organisms use their ___ system to detect changes in their surroundings and respond.
skeletal
nervous
excretory
digestive
14
A(n) ___ is information taken in through the senses.
observation
inference
biology
scientific method
15
The ___ system gets rid of wastes and excess salt and water.
digestive
circulatory
respiratory
excretory
16
Plants cells have chloroplasts, but animal cells do not.
False
True
17
Which one is the smallest?
tissue
cell
organism
organ
18
These hold the slide in place while using a microscope.
objective lenses
eyepiece
adjustment knobs
stage clips
19
Another name for a living thing is a ____.
earthlet
organic
organism
cell function
20
This organelle directs all of the cell's activities.
chloroplast
cell wall
nucleus
ER
21
Which type of cells have cell walls?
plant cells
animal cells
22
Which microscope parts are used when carrying a microscope?
arm
light source
stage
base
23
These are the basic unit of structure and function in living things.
chloroplast
observations
cells
inferences
24
This organelle controls what enters and exits a cell.
cell membrane
nucleus
cell wall
mitochrondria
25
Complex organsims like humans and frogs are ___.
multicellular
unicellular
26
Why do we do dissections in biology?
To make connections to ourselves
To appreciate what it means to be a living thing
To understand how systems work together
To see real examples of what we learn about
27
This organelle converts sun energy and is where photosynthesis takes place.
chloroplast
chlorophyll
chlorine
28
What type of cells have chloroplasts?
plant cells
animal cells
29
Which scientist discovered bacteria by looking at teeth scrapings?
Schwann
Hooke
Virchow
Leeuwenhoek
30
What is the job of the ribosomes?
break down old cell parts
control cell's activities
package and distribute proteins
produce proteins
31
A ___ is a group of similar cells that work together to perform a certain function.
tissue
organ
organ system
cell
32
Which of the following is
NOT
part of Cell Theory?
All living things are composed of cells
Cells are the smallest unit of matter
Cells are the basic unit of structure and function in life
All cells come from preexisting cells
33
Which organ system works with the nervous system to move your body?
muscular
skeletal
circulatory
urinary
34
When plants get more light, they're more likely to ___.
die
quit photsynthesis
grow and develop
shrink
35
This organelle stores food, water, and other important materials.
nucleus
cell membrane
vacuole
nuclear membrane
36
A loud bang can cause you to respond. What do we call something that makes you respond?
behavior
reaction
stimulus
instinct
37
A ___ is a group of organs that work together to perform a major function.
organ system
organ
tissue
cell
38
Adjustment knob used when using high power objective lens.
fine
both knobs
coarse
medium
39
A compound microscope with a 10x eyepiece and 40x objective lens, has total magnification of
40
400
100
10
40
Which scientist discovered cells by looking at cork, and gave them their name?
Schleiden
Virchow
Leeuwenhoek
Hooke
41
The circulatory system obtains and breaks down food
False
True
42
Living things are made of...
develop
environments
cells
populations
43
Which one is NOT a characteristic of living things?
uses energy
reproduces
has a heart
responds to stimuli
44
Blood, vessels, and heart are all part of the ___ system.
digestive
circulatory
nervous
respiratory
45
Simple organisms like bacteria are...
unicellular
multicellular