An animal cell is eukaryotic and has the following identifiable and membrane-bound organelles:
- Mitochondria
- Ribosomes
- Nucleus
- Nucleolus
- Cytoskeleton
- Golgi complex
- Smooth ER
- Rough ER
Answer:
A mammal
Explanation:
I know this is weird for you to hear, because platypuses lay eggs. But actually, they are mammals. They are not birds, since they can't fly. Hope this helps!
Answer:
Explanation:
Estuary is a part of a coastal body where the fresh water and stream meet with the ocean.
1. Recreation: estuary is important for recreation activities ( i.e the activities done in our leisure time) like boating, fishing surfing and bird watching.
2. Scientific knowledge: it serves as a basis for laboratories for scientists, for poets to learn, painters to be inspired and acquire knowledge, bird watchers.
3. Education: It provide quality lessons and inspired ideas in biology,geology, chemistry, physics, history , social studies e.t.c.
4. Aesthetic values. It provide aesthetic values and enjoyment for humans.
5. Food: some of the product gotten from estuary like lobsters are consumed as food by humans.
B is the answer. A bottleneck effect occurs when a large, genetically diverse population suddenly experiences some catastrophic even and declines to a very low population.