In a certain ecosystem, eagles prey on fish. If the number of
eagles in the ecosystem increases,
the carrying capacity
A. of the fish population will go up
B. of the fish population will go down
C. of the eagle population will go down
D. will be unaffected

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.