How does cutting down only mature trees in a forest extend the life of the forest?
a. it maintains forest habitats.
b. it start a new generation of trees.
c. it increases demand for new lumber.
d. it increases the supply of new lumber.

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because