Which are characteristics of epithelial cells? Select two options. are unable to be used for secretion of materials
main cells of the nervous system
found lining many areas that contact the external environment
plays a role in protection
carry oxygen through the body
make up the skeletal muscle

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.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

True or false multiple lane changes must be done individually going through the same procedures for each lane change