1)Oak trees are most likely to compete for resources with
A)Gray Squirrels
B)Ruby-throated hummingbirds C)Sugar maple trees
D)Wood-ear mushrooms
2)Which event is most likely to cause species to become extinct?
A)A large increase in rainfull that lasts for 100 years
B)A warmer than average winter
C)A flood that affects a small grassy field
D)A climate that does not change for many years.
3)Which of these species can probably evolve most rapidly when its environment changes?
A)Eastern Coyote
B)Great Horned Owl
C)Spotted salamander
D)Northern House Mosquito
4)Which of these could a scientist learn from the fossils contained in layers of sedimentary rock?
A)what sounds organisms made long ago
B)how life on Earth has changed over time
C)what caused organisms to become extinct
D)how many organisms lived on earth in the past
5)A particular trait is controlled by DNA on three different chromosomes.What must be true of the trait?
A)It is determined by a dominant gene
B)it is harmful to the individual
C)it is found only in males
D)it is determined by more than one gene
6)A scientist identifies all of the genes in a human body cell.The number of genes the scientist finds is closest to
A)5
B)50
C)5,000 D)50,000,000
Thanks so much I really appreciate.
