1) Arithmetic density- the number of people per square unit of land
2) Physiologic density- Is the number of people per square unit of farmland.
3) Agricultural density- is the number farmers per unit of farmland.
<span>D. Lancelet, are examples of an invertebrate chordate:)</span>
true
Explanation:
they are called that just cause
1. Never lift or move clients
2. Take up weight lifting
3. stretch out after pulling or reaching
4. Use assistive devices
Answer:
similarities
Explanation:
The concept of reproductive isolation relates more toward genetic similarities to distinguish between species. The barriers prevent closely related species living in the same geographical area from interbreeding. They help to keep each species distinct from the others.