What is the correct description of the relationship between osmosis and diffusion?
a. diffusion is a type of osmosis that occurs across a cell membrane.
b. osmosis is a type of diffusion that occurs across a cell membrane.
c. osmosis is a type of diffusion that requires energy on the part of the cell, whereas diffusion happens freely.
d. osmosis is not directly related to diffusion. osmosis involves the movement of liquids. diffusion involves movement of gases.

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

A. describe the scientific method, using pasteur's swan-necked flask experiment as an example.