Which of the following is an incorrect statement? a. digestive tracts have 2 openings, which allows food to move in 2 directions.
b. gastrovascular cavities have a single opening through which animals both ingest food and expel wastes.
c. extracellular digestion is the process in which food is broken down outside cells in a digestive system.
d. intracellular digestion happens when animals digest food inside specialized cells that pass nutrients to other cells by diffusion.

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

What is the 77 element on the periodtic table

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy