Which of the following describes a parasite 1 a bear that kills and eats fish?
2 a worm that lives inside a bear.
3 a dish that is killed and eaten.
4 a bear that has worms in its gut

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these