The graph describes the population of dandelions in a field over the course of one summer. The graph is titled Population of Dandelions, and plots number of organisms against time. The shape of the curve is gradually increasing at first, and then becomes very steep.

Which statement best describes the growth of the dandelions?

A. Linear growth occurs because the field provides abundant but limited resources during the summer.
B. Logistic growth occurs because the field provides unlimited resources during the summer.
C. Exponential growth occurs because the field provides unlimited resources during the summer.
D. Fluctuating growth patterns occur because the population reached the carrying capacity of the field during the summe

Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of the founder effect artificial selection genetic drift natural selection sexual selection

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.