BIOLOGY [3 marks Question Answer]

Coelenterata

Porifera

1. Radially symmetrical and motile

1. Poriferans are asymmetric and non-motile

2. The body consists of two cell layers

2. The body consists of a single cell layer.

3. Possess a tissue organisational level.

3. Possess a cellular organisational level.

Warm-Blooded

Cold-Blooded

1. They obtain energy from food consumption.

1. They obtain energy from the surrounding environment

2. They easily adapt to any temperatures outside.

2. It's difficult for them to survive in extreme temperature conditions

3. Examples: Mammals and birds are warm-blooded

3. Examples: Reptiles, insects, and fish

Invertebrates animals

Vertebrates animals

1. Invertebrates do not possess a backbone not an internal skeleton.

1. Vertebrates possess a backbone and an internal skeleton.

2. Generally, their body size is smaller than vertebrates.

2. Generally, their body size is larger than invertebrates

3. It includes Autotrophic, Parasitic, and Heterotrophic.

3. It is usually heterotrophic.