Tropical forests contain dense trees, which allow less sunlight to penetrate. Emergent trees are trees that grow to a height of more than 45 to 55 meters, above the usual height of trees in tropical forests. Which system provides the best possible explanation for why these trees grow to those heights? A.
shunted growth pattern
B.
homeostasis
C.
due to less exposure to sunlight
D.
phototropism

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants