49 (just typing this because the answer wasnt long enough)
Answer:
a. 500
Explanation:
The effective size of a given population is calculated by simply counting the total amount of organisms that actually are in conditions of reproduce and produce certain offspring in the next generation. In this particular case, althugh the population is formed by a total of 1000 individuals, only 500 organisms are capable of reproduce at that particular instant, and therefore contribute with offspring to the next generation.
C. Wind erosion is caused by the wind blowing loose particles of dirt and/or sand from bare and flat lands. Plant structure above ground (leaves and stem) act to shield the wind and plant roots act as anchors to hold down the soil to reduce the effects of wind erosion.
When a person meets a hot object without thinking about it, the heat stimulates temperature and danger receptors in the skin, resulting in a sensory impulse that passes to the central nervous system. After that, the sensory neuron forms synapses with interneurons, which then connect to motor neurons.
Hello,
fossil fuel and nuclear plants both heat water in order to turn into <u>turbines.</u>