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7th Ch. 1 L 1 Characteristics of Life Flashcards | StudBud
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7th Ch. 1 L 1 Characteristics of Life
7th Ch. 1 L 1 Characteristics of Life
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a #biology #review for #9th and #10th graders
Flashcards
35 cards
F
Practice quiz
P
Host live
L
Questions
35
Answers
1
How do unicellular organisms reproduce?
development
cell division
response to external stimuli
photosynthesis
2
A child learning to walk is an example of
response to stimuli
growth
reproduction
development
3
To maintain homeostasis, unicellular organisms grow, respond, transform energy, and reproduce.
true
false
4
Which of these might lay eggs?
Multicellular organism
Both
Unicellular organism
Neither
5
An example of homeostasis is what?
The regulation of H2O in a systems respiratory system.
The operation of blood cells gathering.
The regulation of water and minerals in the body.
The operation of your hair follicles turning white.
6
What is the smallest unit of life?
grass
microalgae
homeostatsis
a cell
7
All of these are characteristics of living things EXCEPT ___________.
responds to stimuli
movement
homeostasis
reproduction
8
Living things demonstrating a response to stimuli could be_______.
none of these
b. pulling back from an electric shock
a. jumping back from a hot fire
both a. and b.
9
Increasing in size is
growth
hypothesis
response to stimuli
development
10
The two types of stimuli are
intentional and unintentional
energy and reproduction
growth and development
internal and external
11
All living organisms must be able to
move
think
reproduce
eat
12
Which of these grows only as the cell increases in size?
Multicellular
Neither
Unicellular
Both
13
The ability to maintain steady internal conditions is
homeostasis
development
reproduction
organization
14
the primary source of food energy in a food chain comes from?????
decomposers
producers
water
communism
15
What happens when your cells cannot maintain homeostasis?
respond by sweating
can get sick or die
cell division
You go to a doctor
16
Specialized cells show more ___________ than non-specialized cells
development
energy
rate of division
homeostasis
17
A cat running from a dog is an example of
homeostasis
response to stimuli
organization
survival of the fittest
18
Which of these organisms exhibits development?
all of these
a kitten
a tadpole
a human baby
19
When you are cold and your teeth start chattering. This is an example of what characteristic of life?
reproduction
cell organization
maintaining homeostasis
growth and development
20
What are all living things called?
Species
Either Autotroph or Heterotroph
Organisms
Ecosystem
21
Homeostasis means
unstable conditions inside an organism's cells and body
maintaining stable conditions inside a home
nothing, it is a made up word
maintaining stable internal conditions inside an organism's cells and body
22
Reproduction is
a way to maintain homeostasis
a thing that has all characteristics of life
the ability to maintain steady internal conditions
the process by which one organism makes new organism(s)
23
Which of these shows how a frog uses energy?
Literally all of these
developing from a tadpole to an adult frog
catching and eating flies
mating calls
24
An example of a unicellular organism is
a virus
a paramecium
a cat
a sponge
25
Which of these examples shows how a sunflower has organization?
different structures - such as leaves, a stem, pedals, etc
growing in size throughout its life cycle
taking in CO2 and releasing O2 as a waste product
using energy from the sun
26
Which of these is NOT an example of a response to an external stimuli
hunger
animal's coats changing color
sweating
leaves falling from trees
27
An example of an internal stimuli is
thirst
all of these
sweating because it's hot outside
energy
28
How does the body maintain homeostasis?
Strengthen your muscles to run and jump
Pumps blood through the heart
Maintain body temperature by shivering
use strength to lift and pull heavy objects
29
Which of these maintains homeostasis?
Multicellular organism
Neither
Unicellular organism
Both
30
Having different body parts/organ systems is an example of
organization
cell theory
unicellular organism
homeostasis
31
what is the living things that surround an organism?
environment
habitat
nich
plants
32
living things change during their lives through
reproduction
adaption and organization
making responses
growth and development
33
We can see how energy flows from one organism to another through
evolution
a food web
homeostasis
development
34
All energy in ecosystems comes from:
Plants
the Sun
Animals
35
How do unicellular organisms reproduce?
development
cell division
photosynthesis
response to external stimuli
