In an experiment, the independent variable
a.
always influences the dependent variable
b.
is the same for all groups in an experiment
c.
is influenced by the dependent variable
d.
is manipulated or varied by researchers

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Amap's orientation is typically determined by an