Author Question: Crossing two purebred varieties of a plant that could result in a superior plant is referred to as a ... (Read 46 times)

sdfghj · **on:** Jul 21, 2018

Crossing two purebred varieties of a plant that could result in a superior plant is referred to as a ___________________ __.

Fill in the blank(s) with correct word

Question 2

African bees take over a colony by entering a colony of ___________________ _ bees and killing and replacing the queen.

Fill in the blank(s) with correct word