Phytoplankton are only found at the surface of ocean waters because
a. they feed on tiny organisms living at the surface.
b. they are an important food source to surface-dwelling marine organisms.
c. they require sunlight to carry out photosynthesis.
d. they cannot withstand the colder temperatures of deep water.

How do the 2 types of endoplasmic reticulum differ?

How does land development destroy ecosystems? it increases human carrying capacity too rapidly. it converts them into residential or agricultural areas. it forces humans to import non-native plants and animals. it expands the natural range of native wildlife species.

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment. svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment. svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment. svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.