This fossil must be younger than 475 million years old, because that is when land plants arose
Answer:
<em>Bacteria can obtain energy and nutrients by performing photosynthesis, decomposing dead organisms and wastes, or breaking down chemical compounds. Bacteria can obtain energy and nutrients by establishing close relationships with other organisms, including mutualistic and parasitic relationships.</em>
Explanation:
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Thin skin contains four layer(s) of keratinocytes, and thick skin contains five layers.
-4,5
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Mono hybrid cross dihybrid cross homozygous cross heterozygous
