A morula is a solid ball of undifferentiated cells
Indicate whether the statement is true or false
TRUE
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A scientist is studying a population of feral cats in his city. He notes that the r of this population is 1. What does this mean (assuming that he is evaluating population size on a yearly basis)?
A. that the population of feral cats doubles in size each year B. that the population of feral cats triples in size each year C. that the population of feral cats remains the same size from year to year D. that the population of feral cats decreases in size by 10% every year
) ________ is a mechanism of lowering the activation energy barrier in some reactions, as with the detoxification of hydrogen peroxide.
Fill in the blank(s) with the appropriate word(s).
The process by which water travels in a sequence from the air to Earth and returns to the atmosphere is referred to as the ________ cycle
Fill in the blank(s) with correct word
Which microscope would be used for viewing bacteria?
A. electron microscope B. compound microscope C. dissecting microscope D. a and b E. a, b and c