Drag each tile to the correct location
Fish developed many characteristics for survival. Match the parts of the fish to their correct functions.
allow the fish
to breathe
underwater
protects the fish
from the external
environment
creates balance and
helps with escape
and predation
eye
gills
mouth

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In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Several billion years ago which gas was the least prevailant in the atmosphere