D Question 9
1 pts
V
Osprey
Sun
Pike
Perch
Minnow
Plants
Freshwater
Shrimp
Above is a freshwater food chain. If the amount of salt in this ecosystem increases, the death of the
will have the greatest impact on the survival of other organisms.
O perch
O plants
Osprey

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.