A basic plant cell is shown. Plant Cell
X
KEY
W-Vacuole
X-Nucleus
Y-Mitochondrion
z-Chloroplast
w
-Z
Which organelle stores hereditary material and coordinates the activities of the cell?
Organelle W
Organelle X
Organelle Y
Organelle z

What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.