When Nepal clear-cut its mountainous forests, it created environmental disasters in other countries. Which of the following is not one of the created disasters?
A) destabilized soil leading to landslides
B) increased sediment load in rivers and streams
C) flooding conditions downstream
D) local farmers suffering from increased crop pests

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear