Euplectella [Venus Flower Basket], shown in the figure below, belongs to:
1.
Porifera
2.
Cnidaria
3.
Ctenophora
4.
Platyhelminthes
Pinworm, Hookworm, and Filaria worm belong to:
| 1. | Annelida | 2. | Platyhelminthes |
| 3. | Aschelminthes | 4. | Arthropoda |
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Which of the following is not a character of deuterostomes?
| 1. | Radial cleavage |
| 2. | Schizocoelous coelom |
| 3. | Indeterminate cleavage |
| 4. | Blastopore forms anus |
Icthyophis is a/an:
| 1. Tunicate chordate | 2. Flightless bird |
| 3. Limbless amphibian | 4. Egg-laying mammal |
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Which of the following does not belong to Protostomia?
| 1. | Annelids |
| 2. | Mollusks |
| 3. | Echinoderms |
| 4. | Arthropods |
Approximately what percentage of existing animal species are invertebrates?
| 1. | 20% | 2. | 50% |
| 3. | 70% | 4. | 95% |
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In some animal groups, the body is found divided into compartments with at least some organs/origin repeated.
This characteristic feature is named
1. Segmentation
2. Metamerism
3. Metagenesis
4. Metamorphosis
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Given below are types of cells present in some animals. Each one is specialized to perform a single specific
function expect
| 1. | Choanocytes | 2. | Interstitial cells |
| 3. | Gastrodermal cells | 4. | Nematocytes |
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