In the arctic ocean, there are very few large aquatic plants. which of the following best explains why? (2 points)
a sea ice decreases the salinity of the water to a level not suitable for plants.
b plants have a difficult time surviving due to long periods of darkness.
c plants are unable to attach to the deep sea floor.
d currents are too strong for plants to survive.

How does deforestation affect the water cycle? a. it increases the amount of runoff b. it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?