The skeleton of an embryo is made up of cartilage and collagen
Hope this helps :3
Answer:
A) produce fertile offspring
Explanation:
No, producers produce their own food like plants that use photosynthesis to produce sugar whilst aphids cannot produce their own food and have to feed of other plants.
Answer:
The rock must be eroded into sediment
Explanation:
In order to form sedimentary rock, the accumulated sediment must become compacted and cemented together.
