1. 1. Structural adaptation is …
a. An adaptation process of morphological and anatomical structures of organisms to the environment conditions
b. A process to fit the changes in the surrounding environment
c. The changes in variations in an organisms relate genetic variation
d. A choosing or selection by nature to individuals having adaptive characteristics to certain environment
KEY :: A
2. 2. Look at the following :
1. Many open stomata on both leaf surface
2. Specific roots to absorb oxygen
3. Smaller roots to ease water diffusion into leaves
4. Flat leaves to float on the water surface
Some characteristics of hydrophytes is …
a. 1 and 3 c. 1, 3, and 4
b. 2 and 4 d. all true
KEY :: D
3. 3. Read the following statements carefully!
1) Squids excrete ink-like liquid
2) Type of bird’s beak is related to its food type
3) Dolphins come to the surface periodically
4) The leaf shape of water lily is different from that of cactus
The examples of morphology adaptation are ..
a. 1 and 2 c. 2 and 4
b. 1 and 3 d. 2 and 3
KEY :: C
4. 4. A whale which periodically raises its head to the water surface to breathe is an example of … adaptation.
a. Morphological
b. Anatomical
c. Physiological
d. Behavioral
KEY :: D
5. 5. The result of adaptation of birds to fit the types of food is …
a. Sparrow beak, cereal eaters
b. Sparrow-hawk beak, small fish eaters
c. Cockatoo beak, fruit eaters
d. Sparrow beak, nectar eater
KEY :: A
6. 6. Adaptation of body work function as a response to change occurring in the environment, is called …
a. Function Adaptation c. Morphological Adaptation
b. Adaptation d. Behavioral adaptation
KEY :: A
