Answer: False
Explanation:
Protozoans are not the organism that fix nitrogen for the plants. The organism that fix nitrogen to convert it into a form which can be used by plants are known as diazotrophs.
These are bacteria and archae that fix nitrogen gas found in the atmosphere into more usable form such as ammonia.
These organism can grow without any external source of fixed nitrogen. Example: Rhizobia and azospirillium.
First cousins share a grandparent, second cousins share a great-grandparent.
Answer:
Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.
Explanation:
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Answer:
5. false 9 percent make up agriculture
6. false the population would be 9.8 billion
7. the current population on earth is 7.7 billion or rounded up is 7 billion
8. 40 percent of earth surface is used for agriculture.
9.The UN Food and Agriculture Organization says one-third of all food is wasted.
10. eating for a healthy planet means eating sustainably. The meaning means what you eat may need to be sustainable because it can be regrown and not be cut off. Also it could mean what you eat wont leave a footprint on the earth.
