Crossing over: crossing over can mean any number of things. It could mean transforming, like making a change, or something as silly as crossing a bridge. In biological terms, it means transforming onto another stage, like a caterpillar making a chrysalis so it can cross over ino the final stage of its life: a beautiflul butterfly.
The answer would be D)hormones
They use evidences. Hope it helps
Hi There! :)
<span>An ecosystem could probably survive without?
</span><span> soil.</span>
The correct answer is oviduct.
<span>When oocyte (female gamete) is released from the ovary during the ovulation, it travels down the fallopian tube (uterine tubes or oviduct) into the uterus, where it may become fertilised by a sperm. If fertilisation does not occur, the uterine wall and blood will be shed during menstruation.</span>