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year 7 biology ft 2

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.
What are vertebrates?
a)
Animals with a backbone
b)
Animals without a backbone
2.
There are five categories of vertebrates.  Which one is not a vertebrate?
a)
Mammals
b)
Birds
c)
Arthropods
d)
Reptiles
3.
This group feeds milk to its young.
a)
birds
b)
mammals
c)
fish
d)
reptile
4.
All invertebrates _________
a)
Have a backbone
b)
Do not have a backbone
c)
Are really just Vertebrates
d)
Have a nerve cord
5.
I am covered in dry scales and I lay eggs.  What am I?
a)
Mammal
b)
Fish
c)
Amphibian
d)
Reptile
6.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
7.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
8.

Find the description of a dog and list the order of yes and no

1.Is this animal a mammal

Yes ........................... Go to 2

No ........................... Go to 3


2.Does this animal have claws

Yes ........................... Go to 3

No ........................... Go to 4


3.Does this animal have scales

Yes ......................... Snake

No .......................... Go to number 4


4.Does this animal have fur?

Yes ......................... Dog

No .......................... Dolphin

a)

Yes, Yes, No, Yes

b)

No,Yes

c)

Yes,Yes,Yes

d)

Yes,No,No

9.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to see what organisms eat
d)
to identify organisms
10.

Which organisms belong in the same kingdom as the pictured organism?

a)

mushroom

b)

wolf

c)

ladybug

d)

jellyfish

11.

Why is it possible for the number of kingdoms to change?

a)

scientists in different countries don't agree on the classifications of all organisms

b)

classifications develops and changes over time as we learn more about living things

c)

many traits have disappeared from most species

d)

there are more languages today than there were when the system was first developed

12.

Take your time and read carefully!


A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

a)

Whip Scorpion

b)

Wind Scorpion

c)

Tick

d)

Scorpion