WorksheetsBiology Quiz 1
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
Organisms must maintain stable internal conditions even when the external environment changes. This is called _____________________.
a)
asexual reproduction
b)
homeostasis
c)
evolution
d)
cell division
2.
All living organisms are made of __________.
a)
cells
b)
tissues
c)
water
d)
structures
3.
This type of reproduction involves an exchange of hereditary information between 2 "parents."
a)
Asexual reproduction
b)
Sexual reproduction
4.
This type of organism makes its own food.
a)
ectotherm
b)
heterotroph
c)
autotroph
5.
The ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different, is called ________________________.
a)
water regulation
b)
oxygen regulation
c)
thermoregulation
6.
This group of vertebrates includes reptiles, fish and amphibians – they warm their bodies by absorbing heat from their surroundings.
a)
ectotherms
b)
endotherms
7.
Water regulation is also referred to as ______________________.
a)
aquaregulation
b)
endoregulation
c)
osmoregulation
8.
Oxygen regulation is generally controlled by the level of activity in the body. When activity is slower, oxygen levels are regulated by this organ....
a)
kidney
b)
brain/brain stem
c)
heart
9.
The primary organ of osmoregulation in mammals is the ___________, which regulates the amount of water in ____________.
a)
kidney , urine
b)
liver , urine
c)
lungs , blood
10.
A heterotroph is an animal that...
a)
makes its own food
b)
consumes other organisms for food
11.
The concept of organisms changing over time is known as ______________________.
a)
cell division
b)
evolution
c)
response to stimuli
12.
An organism made up of only a single cell is called ______________________.
a)
multicellular
b)
unicellular
c)
autocellular
100 %
