Who coined the phrase "survival of the fittest"?

How would you expect the root system of a plant grown by hydroponics to compare to the root system of a plant grown in soil? the root system of a plant grown by hydroponics would be ___?

In an experiment, your sample is? A. what you're performing your experiment on B. a portion of the results you get C. what technology you're using in your experiment

Create your own scientific experiment - - this can be something you have done in the past, or a new one that you create with your imagination.

In the region of the Rocky Mountains, imagine that one local variety of Ponderosa pine (Pinus ponderosa) predominantly occurs between 5,000-8,500 feet in elevation, where it can best tolerate temperatures and precipitation.

The process of clot retraction squeezes serum from the clot, thereby joining the edges of the broken vessel. through the action of actin and myosin, filaments in platelets contribute to clot retraction.

The cell walls of fungi differ from those of plants and protists because the cell walls of fungi O A. are composed of cellulose. O B. are composed of peptidoglycan. C. are composed of chitin. D. contain chlorophyll.

In module 1 you identify which species of lizards were most similar to one another based on

Are surface currents that flow towards the poles generally warm or cold?

Which is the correct order of the processes responsible for the formation of sedimentary rocks? erosion, deposition, compaction weathering, cementation, deposition cementation, compaction, erosion?

Urine exits through what external opening on both male and female rats