How might poverty affect soil loss?
-when soils are poor in nutrients, crop yields are low.
-poverty can lead farmers to continue practices that deplete the soil but yield quick crops
-poor people no longer have the desire to farm
-when large-scale deforestation occurs, erosion increases, thus depleting the soil.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.