Which statement best exemplifies the biodiversity of an ecosystem? A small pond has about 1,300 organisms and 26 different species living in it.
A small forest supports a population of 35 elephants.
A desert receives some rainfall, which supports several species of plants.
A pond is home to animals that are able to live in the polluted water.

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

What are 3 reasons that natural selection occurs