Which statements describe hydrotropism? Check all that apply.

Hydrotropism is a plant’s response to light.
Hydrotropism is a plant’s response to an external stimulus.
Hydrotropism causes cells to grow longer on one side of the roots.
Hydrotropism causes cells to grow longer on one side of the stems.
Hydrotropism causes a plant to grow toward light.
Hydrotropism causes a plant to grow away from light.

What is the function of nucleic acids

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.

How does the study of genetic disorders such as pku biologists understand normal alleles?