. List two lines of evidence that Jonathan Losos has gathered through observation and experimentation that support the theory of natural selection developed by Charles Darwin.

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they