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(Unit A) Quiz #2 - Science 9 (2022)

Total questions: 15

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

An organisms role in the ecosystem is called it's...

a)

Dependence

b)

Niche

c)

Duty

d)

Responsibility

2.

List AT LEAST 3 examples of what an organisms NICHE includes...

4 lines
3.

Niches occupied by a species may change throughout its lifetime

a)

True

b)

False

4.

When organisms coexist ​within the same niche, but reduce ​competition by adapting to different ​food types and schedules is called...

a)

Effective coexistence

b)

Niche

c)

Resource partitioning

d)

Commensalism

5.

Not all species variations are super evident.

a)

True

b)

False

6.

Characteristics that are passed on from generation to generation are called...

a)

Non-heritable

b)

Heritable

c)

Interdependence

d)

Niche

7.

Characteristics that are acquired and are not passed on to other generations are called...

a)

Non-heritable

b)

Heritable

c)

Interdependence

d)

Niche

8.

Eye colour is an example of a Non-heritable characteristic.

a)

True

b)

False

9.

A tattoo is an example of a Heritable characteristic.

a)

True

b)

False

10.

Discrete Variation: refers to differences in characteristics that have a defined form. The individual “either has it, or not”.

a)

True

b)

Fales

11.

Continuous Variation: refers to differences in characteristics that have a range of forms.

a)

True

b)

False

12.

Which answer below is NOT an example of discrete variation?

a)

Height

b)

Eye colour

c)

Hair colour

d)

Nose shape

13.

Which example below IS an example of continuous variation?

a)

Eye colour

b)

Hair colour

c)

Foot size

d)

Leaf colour

14.

Can some variations of species (humans, animals or plants) be affected by the environment? Please explain and use examples.

4 lines
15.

List 3 Non-heritable characteristics that you have acquired in your life.

4 lines