WorksheetsCh. 1 Classifying Organisms
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
1) ____________ classify a living thing by comparing and contrasting the living thing’s physical characteristics with the physical characteristics of known organisms.
a)
Eubacteria
b)
Biologists
c)
Animals
d)
Archaebacteria
2.
2) A _______________ system helps organize information and makes communication more exact.
a)
family
b)
changing
c)
classifcation
d)
phylum
3.
3) Today’s classification system was developed by many people over time and is still _____________.
a)
phylum
b)
family
c)
species
d)
changing
4.
4) The six kingdoms of living things are Archaebacteria, ___________, Protists, Fungi, Plants, and ____________.
a)
Eubacteria, Animals
b)
Animals, Phylum
c)
Species, Eubacteria
d)
Family, Eubacteria
5.
5) The seven levels of the classification system, from most general to most specific, are: kingdom, _______, class, order, ______, genus, and ________.
a)
species, family, phylum
b)
phylum, family, species
c)
family, phylum, species
d)
phylum, species, family
6.
7) __________________ are vertebrates that breathe air using lungs, have hair or fur, and nurse young that resemble parents at birth.
a)
birds
b)
mammals
c)
reptiles
d)
fish
7.
8) ______________ are cold-blooded vertebrates with lungs. Most young hatch from eggs, and are ready to feed themselves from birth. In addition, they have tough skin with scales rather than hair, fur, or feathers.
a)
birds
b)
mammals
c)
reptiles
d)
amphibians
8.
9) ____________ are warm-blooded vertebrates with lungs and feathers. They lay hard-shelled eggs. When their babies hatch, they must be fed by parents.
a)
birds
b)
mammals
c)
reptiles
d)
fish
9.
10) ____________________ are cold-blooded vertebrates with soft, moist skin. Their young hatch from eggs and pass through several life stages before they become adults. They change more than any other vertebrate through a process known as metamorphosis.
a)
birds
b)
mammals
c)
reptiles
d)
amphibians
10.
11) ___________ are cold-blooded vertebrates. Most are covered with scales and a slimy coating that helps water flow past them. They live in water and use gills to get the oxygen they need from water.
a)
birds
b)
fish
c)
reptiles
d)
amphibians
11.
12) Scientists study ___________________ to classify animals that lived in the past.
a)
vertebrates
b)
invertebrates
c)
fossils
d)
biologists
12.
13) _____________________________ are by far the most numerous animals on Earth.
a)
Vertebrates
b)
Arthropods
c)
Mammals
d)
Invertebrates
13.
16) ______________________, which make up the largest of all animal phyla, include invertebrates with jointed legs and separated body parts.
a)
Dichotomous
b)
Arthropods
c)
Mollusks
d)
Invertebrates
14.
17) A _______________________ key is an organized series of questions designed to lead to the identification of an unknown organism.
a)
invertebrates
b)
vertebrates
c)
dichotomous
d)
arthropods
100 %
