Which of the following is not one of the elements most abundant in living things?
helium
Converting nitrogen in the atmosphere into a form that can be used by plants is?
nitrogen fixation
Which of the following hosts nitrogen-fixing bacteria in nodules on its roots?
a legume
The process by which an organism's body releases energy from carbon-based molecules is called?
cellular respiration
Which process describes how plants make sugar from sunlight, water, and carbon dioxide?
photosynthesis
the cycling of chemical elements through the living and nonliving parts of an ecosystem
biogeochemical cycle
Why should you never turn the adjustment knobs on a microscope too quickly?
If you adjust it too quickly, you can break the slide or the objective lens.
What are two ways in which cutting down the trees in a forest affect the ecosystem/
It can make the ecosystem lose nitrogen. It can also cause too much carbon dioxide to build up since there would not be enough producers to use the carbon dioxide.
Kartensatzinfo:
Autor: Rebecca
Oberthema: Science
Thema: Natural Cycles
Schule / Uni: Freedom Baptist Schools
Ort: Hudsonville, MI
Veröffentlicht: 03.02.2010
Tags: rebecca thomas
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