Ascientist asks a question and discovers that increased temperature decreases the number of offspring that an organism produces. then, the scientist asks a new question about the impact of climate change on the species because a)the scientist’s first question was not a scientific question. b)the scientist modified the hypothesis for the investigation. c)the results of the investigation led to new scientific questions. d)questions about the impact of temperature reflect an opinion.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna