Answer:The Great Oxygenation Event, which occurred around 2.45 billion years ago, was probably the first major extinction event. Since the Cambrian explosion, five further major mass extinctions have significantly exceeded the background extinction rate.
Explanation:
got this from the internet very helpful :)
Answer:
because it reduces the number of chromosomes to half the normal number so that, when fusion of sperm and egg occurs, baby will have the correct number.
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plz mark brainliest
Answer:Dog
Explanation:
A dog is at a higher advantage because it has a larger jaw which could easily be used to crush a cat during a fight
This is true because eukaryotic cells are the organism cell. TRUE
Answer:
7gg chcuvuvuycycyctcyv
Explanation:
cig ugcf7xf7xfx7xf7xf7 f7xuf f7xf7
