How could two species that evolved on separate continents have many similarities?

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

What is the amount of organic matter in all living organisms in a habitat called?

What is one reason why areas that are just beginning to industrialize typically have a higher rate of population growth than countries that are already industrialized? a. most industrialized countries have laws regulating how many children women can have. b. the average lifespan in developing countries is much higher than in industrialized countries. c. developing countries need labor to fill their rapidly expanding industries. d. developing countries are just beginning to experience improved food production and health services.