Question

A team of scientists is studying the fossils in the cross-section of rock shown below. Between which two layer of fossils can secondary succession be observed? A) Layers 1 and 2. B) Layers 2 and 3. C) Layers 3 and 4. D) Layers 1 and 4. Eliminate

Answer 1

Question:

Layer 1 and 2 → Animal fossil

Layer 3 and 4 → First plant fossil

Layer 5 → Animal fossil

Layer  6→ Second plant fossil

Layer 7 → Animal fossil.

Answer:

The correct option to choose answer is;

C) Layers 3 and 4 (Secondary succession layer).

Explanation:

Secondary succession is a concept related to pliant life and it describes the notion of an ecosystem regenerates after being destroyed and it takes place when the level of disruption is not enough to do away with all present vegetation and present soil from a location.

Secondary succession is started by an incident that destroys to a large extent the present ecosystem. Events that start secondary succession includes;

1) Hurricane

2) Fire and

3) Harvesting.

Answer 2

Answer:

A: layer 1 and 2

Explanation: