What is the greatest contributing factor in the loss of polar bears in arctic areas?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What is required in the genotype of an individual to show a recessive trait? a. two recessive alleles b. at least one recessive allele c. no recessive alleles