Answer: A) The 'lub' sound is caused as the atrioventricular valves close.
Explanation:
USATestprep just answered it
Answer:
A. Convergent evolution
Explanation:
If analogous or structurally different oragns performing similar function.. We call that convergent evolution.
No, cladograms deal with living species.
Answer:
flagella
Explanation:
Some bacteria have tail-like structures called flagella
I actually had a similar question on my test and this is the answer:
The reason the magnet loses its magnetic properties is is because when you drop the magnet or bump it against something, the domain can get bumped or dropped out of alignment.
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