Birds are considered homeothermic
Indicate whether the statement is true or false
T
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Molebdenum is a cofactor for nitrogenase, which means every nitrogen-fixing microorganisms will not be able to fix nitrogen without Mo
Indicate whether the statement is true or false.
When experimental plants (e.g., Atriplex prostrata) were grown at high densities,
A) individual growth rates increased. B) the proportion of resources allocated to leaf production increased. C) individual plant weight increased. D) net photosynthetic rate increased.
Which kingdom is characterized by organisms that are heterotrophic by ingestion?
A. Animal B. Plant C. Fungi D. Protists E. Prokaryotes
What characteristic do plants, algae, and some bacteria have in common that is not shared with fungi or animals?
A. They contain mycorrhizae. B. They have spores. C. They can do photosynthesis. D. They have cell walls.