Characteristics of Life 1
True or False
Characteristics of Life 2
Dichotomous Keys
Dichotomous Keys 2
100
To be considered alive, an organism must be made of one or more ____________.
What are cells?
100
True or false: all living things use oxygen
What is false?
100
_____________ reproduction combines the genetics material of 2 parent organisms to create a new organisms.
What is sexual?
100

In the flag dichotomous key provided on a separate sheet, flag (1) belongs to ________________.

What is Armenia?

100

In the bird dichotomous key provided, what genus is bird W?

What is Geospiza?

200
To be considered alive, an or species must be able to _______________, either sexually or asexually.
What is reproduce?
200
True or false: all living things must get their energy from the sun either directly or indirectly.
What is false? (Most do, but some creatures living near volcanic vents get their energy from chemicals from inside the Earth)
200
_____________ development is when an organisms undergoes a physical transformation as it grows and develops.
What is indirect?
200

In the flag dichotomous key provided on a separate sheet, flag (2) belongs to ________________.

What is Cuba?

200

In the bird dichotomous key provided, what genus is bird X?

What is Platyspiza?

300
To be considered alive, an organism must be able to respond to _____________.
What is stimuli?
300
True or false: all living things must either consume other organisms for food or be able to make their own food.
What is true?
300
_____________ reproduction creates a nearly genetically identical copy of a single parent organism.
What is asexual?
300

In the flag dichotomous key provided on a separate sheet, flag (3) belongs to ________________.

What is Comoros?

300

In the bird dichotomous key provided, what genus is bird Y?

What is Certhidea?

400
To be considered alive, an organism must __________ and __________, either indirectly like a frog, or directly like a human.
What is grow and develop?
400
True or false: A proposed 6th characteristic of life is that it must have DNA
What is true (this requirement is popular, but not accepted by all scientists)
400
_________________ such as plants and many bacteria are able to make their own food, typically using energy from sunlight.
What are autotrophs?
400

In the flag dichotomous key provided on a separate sheet, flag (4) belongs to ________________.

What is The Bahamas?

400

In the bird dichotomous key provided, what genus is bird z?

What is Camarhynchus?

500
To be considered alive, an organism must use __________.
What is energy?
500
True or false: all organisms must be able to mate in order to reproduce
What is false? (most unicellular organisms such as bacteria reproduce asexually by simply growing and splitting themselves in two in a form of natural cloning)
500
________________ must consume food, typically by eating other organisms or things other organisms make, to obtain energy.
What are heterotrophs?
500

In the flag dichotomous key provided on a separate sheet, flag (5) belongs to ________________.

What is Afghanistan?

500
True or false: A good dichotomous key must have as many steps as the number of things its identifying
What is false?
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