A fiber is collected at a crime scene. when viewed under a com-pound microscope, what two traits would indicate that the fiber was a human hair and not a piece of fiber obtained from an article of cloth-ing?

Birds are washed right away

Ninety-five percent of all living organisms were killed by the deadliest mass extinction in history. It is known as the what mass extinction.

Ignoring migration, the age structure of a human population likely to increase in size will have what shape?

Complete a cross between two organisms with the genotype TtYy. List all genotypes. How many phenotypes will be produced? What is the probability of producing an offspring with a homozygous recessive genotype

What is the complementary dna sequence to 5′ gtcagttcgta 3′?

Why do scientists use indirect methods to study the ocean floor? answer?

Which characteristic distinguishes the five groups of fungi? number of cells reproductive structure type of hyphae method of feeding

Which of the following occurs while homologous chromosomes are paired up? A. They create 2 haploid cells. B. They contain 6 chromatids. C. They exchange portions of their DNA. D. They produce two diploid cells.

Pinocytosis is an example of

Gases such as oxygen and carbon dioxide cross the plasma membrane by