b) Define adaptation. -99
c) What features make leaf absorb maximum sunlight?
d) Name any two aquatic animals.
e) Define photosynthesis.
) f) What do you understand by the term digestion?
g) Name any two trees grown in cold hilly areas.
h) Name two plants grown in desert areas.
i) Encircle the correct option for the following:
i) The longest organ of human body - anus, large intestine, small intestine
ii) Photosynthetic plant - fungus, algae
Answers
Answer:
adaptation has three related meanings. Firstly, it is the dynamic evolutionary process that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the population during that process.
c)Light absorption happens in the palisade mesophyll tissue of the leaf. Palisade cells are column shaped and packed with many chloroplasts . They are arranged closely together so that a lot of light energy can be absorbed
d)aquatic animals include fish, jellyfish, sharks, whales, octopus, barnacle, sea otters, crocodiles, crabs, dolphins, eels, rays, mussels, and so on.
e)Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Answer:
Explanation:
The ability of living beings to survive in its habitat is called adaptation
1 chlorophyll
2 dolphin, crocodile
3 the process by which plants make food
4 the absorption of nutrients by living beings is termed as digestion
5 pine
6 cactus
7 small intestine
Algae