Free Printable Adaptations & Dichotomous Keys

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Adaptations & Dichotomous Keys

Total questions: 25

Worksheet time: 20mins

Name

Class

Date

Heredity is best described as the

storage of waste material produced by cell processes.

passage of genetic material from generation to generation.

communication of information between an organism’s cells
communication of information between an organism’s cells.

production of energy for use in an organism’s cells.

Genes are located in which part of the cell?

Endoplasmic Reticulum

Chloroplasts

Chromosomes

Vacuole

How can the farmers use selective breeding to increase milk production?

By choosing cows that are high milk producers

By increasing the age of the cows that are bred

By limiting the number of offspring per cow

By choosing cows that can produce milk after eating most food

If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -

identical to only one parent.

identical to all of its siblings

a unique combination of traits

the recessive traits from each parent.

A _____ is a tool that allows the user to determine the identity of items in the natural world,

territory

internal structure

taxonomy

dichotomous key

Characteristics of a species to survive & reproduce in its environment

hibernation

structure

adaptation

taxonomy

How many answers does a dichotomous question have?

When classifying animals using a dichotomous key, which question is NOT a strong question?

Does the animal have fur?

Does the animal have 4 legs?

Does the animal have claws?

Does the animal live on planet Earth?

Which of the following is not a useful way of using dichotomous keys?

identifying dangerous spiders

identifying which plant can be eaten

determining if a plant is poisonous

picking out which car color is best

10.

When classifying your classmates, which trait would you NOT use (which question is not strong)

brown eyes or blue eyes

male or female

pretty or ugly

tall or short

11.

Genetics is the branch of biology that studies..

death

heredity

alleles

gametes

12.

A organism has the two following alleles (Tt). The capital letter (T) stands for a ___ allele?

dominant

recessive

linked

separated

13.

Which of these characteristics is most likely a trait that developed in response to available food sources?

A small body

Drop in body temperature

Long, narrow beak

Brightly colored feathers

14.

An organism inherits its genetic material from its -

offspring

food source

parents

environment

15.

The physical appearance of an organism is called..

alleles

genotype

heredity

phenotype

16.

The clear, jelly-like material in a cell that supports and protects the cell’s organelles.

cytoplasm

nucleus

cell membrane

mitochondria

17.

Protects the cell from the outside environment. (Only Plants)

cell membrane

cell wall

mitochondria

nucleus

18.

Breaks down food to release energy. Known as the power plant of the cell.

endoplasmic reticulum

nucleus

mitochondria

cell wall

19.

Uses energy from the sun to make food for the plant.

cell wall

cell membrane

chloroplasts

nucleus

20.

Which is an accurate difference between plant cells and animals cells?

Plant cells have a cell wall, but animal cells do not.

Animal cells have a cell wall, but plant cells do not.

21.

I am only found in a plant cell. What am I?

nucleus

chloroplast

mitochondria

cell wall

22.

What is the body system that sends and recieves electrical signals from the brain?

Skeletal System

Nervous System

Muscular System

Digestive System

23.

Why is the blood that flows from the lungs to the heart bright red?

It has oxygen in it

It has carbon dioxide in it

It has food coloring in it

24.

What system allows motion in the body?

skeletal

muscular

nervous

digestive

25.

Which body system transports oxygen and nutrients through out the body?

muscular

circulatory

skeletal

digestive

Reset

Adaptations & Dichotomous Keys

Total questions: 25

Worksheet time: 20mins

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