Answer:
1. B
2. C
(check with your teacher to make sure and explain it to you)
Answer:
<em>If crossing over did not occur there would be no diversity among organisms.</em>
Explanation:
Crossing over and independent assortment are the two phenomena of meiosis by which genetic and physical diversity occurs. If crossing over did not occur then there would not be changes in the physical features of children. No physical diversity would be produced. Children would have the same physical features as the parents. Each chromosome would be identical to one of the parents and hence there will be reduced variations.
The answer is 3 because plants absorb and use CO2, sunlight, and water to create glucose and expel leftover oxygen in the form O2.
Answer:
[A] Cell
[D] Organ System
[D] Skeletal System
Explanation:
[1] The smallest independently functioning unit of an organism is a(n) cell.
[2] A collection of similar tissues that performs a specific function is an Organ system.
[3] The body system responsible for structural support and movement is the Skeletal System
[RevyBreeze]
A food chain is a linear network of links in a food web.
hope it helps!
