Answer: the question is incomplete,below is the complete question.
List two species that may be threatened by the construction of a solar power tower in the California Desert
The answers are, Desert torties, mountain yellow legged frog and Joshua tree.
Construction of a solar power tower in the California Desert will threaten the existence of Desert torties, mountain yellow legged frog and and Joshua tree.
Explanation: The construction of solar power towers in Mojave desert in California poses a threat to the existence of quite a number of plants.The Mojave desert houses the largest solar power plant in the world,creating the solar power tower will create job opportunities for people but at the same time endangering the existence of about 12 rare plants that are found in the region of which Desert torties, mountain yellow legged frog and Joshua tree are greatly included,these plants cannot co-exist with solar thermal mirror arrays,this brings a controversy between energy/electricity generation and wildlife/ecosystem conservation.
I believe for number 1 the answer is A 260
Answer - Hypothalamus
Reasoning - In that area which is the hypothalamus it has concentrated nerve areas where its function can be (autonomic) such as temp, homeostatic, and basic remembrance. Just like what your reading now your automatically recalling what your reading.
Letter B is the correct option
In biology, diffusion is the movement of substances with the concentration gradient, which means they move from an area of high concentration to an area of low concentration. Facilitated diffusion is diffusion that is performed with the help of a carrier protein that can move particles of the substance.