You weigh two different objects on the same scale in the same location on earth. the weights are different. what must be different about the two objects?
a. moving at different speeds
b. width
c. mass
d. momentum
e. color

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

The largest unit within which gene flow can readily occur is a

Adistinctive characteristic of mammals that is not observed in other vertebrates is