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Biology

Page 22

Which of the following actions does not occur during exhalation in man?

a.

Thoracic cavity decreases in volume

b.

Diaphragm

c.

Ribs flattens

d.

Air pressure increases in the thoracic cavity

Gaseous exchange in Aves occurs in the

a.

tracheoles

b.

bronchi

c.

air sacs

d.

trachea

The organism that can carry out both autotrophic and heterotrophic modes of nutritions is

a.

Chlamydomonas

b.

Eudorina

c.

Euglena

d.

Spirogyra

The difference and similarities among living things account for

a.

diversity

b.

stability

c.

competition

d.

evolution

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