Advertisements
Advertisements
Question
Write one difference between the following pair:
Platyheminthes and Nematoda
Advertisements
Solution
| Platyheminthes | Nematoda | ||
| 1 | Body thin and flattened. | 1 |
The body is rounded and unsegmented. |
| 2 | Mostly live as parasites in the bodies of other animals (hosts) e.g. Tapeworm |
2 | Mostly live as parasites in the body of animals including humans. e.g. Roundworm commonly called Ascaris. |
APPEARS IN
RELATED QUESTIONS
Give two examples of Arthropods:
Fill in the blank.
The animals without a backbone whose body is soft and often covered by a hard shell are .................
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 |
Write a short answer.
What is an exoskeleton? How is it different from a backbone?
Classify the given animals into different categories indicated.
Crab, millipede, butterfly, ant, scorpion, centipede, spider, lobster, moth, prawn into arachnids, crustaceans, myriapods, and insects.
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Monkey - External ear, sweat glands, lateral line.
Write two main characters of the following animal and name the phylum it belongs to: Starfish
Which one is the most striking or (common) character of the vertebrates?
What is the unique feature of chordates?
How are the reproductive characteristics of mammals different from those of aves?
