Which of the following is a process used by animals that produces carbon dioxide as a by-product? Combustion
Diffusion
Photosynthesis
Respiration

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

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?