Advertisements
Advertisements
Question
Fill in the blank.
........................... are considered as farmers’ friend of farmers.
Solution
Earthworms are considered as farmers’ friend of farmers.
APPEARS IN
RELATED QUESTIONS
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
Differentiate between
flatworms and roundworms
State if the following statement is true or false. Correct the statement if it is false.
Insects belong to the amphibian group of animals.
Answer in detail.
How do fish exchange gases?
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
Give a reason for the following.
Why do adult amphibians tend to stay near water?
Write two main characters of the following animal and name the phylum it belongs to: Cockroach
Name the phyla to which following animal belongs: Hydra
Name the phyla to which following animal belongs: Starfish
