Biology, 16.01.2020 19:31, mickimlvn6128
Which of the following was an early realization that gave rise to darwin's theory of natural selection?
a.
the earth is younger than previously thought.
b.
the earth and its organisms have changed through time.
c.
organisms do not appear to be closely related.
d.
most organisms share the same habitat.
Answers: 3
Biology, 22.06.2019 02:40, 02s54mcoupe
What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.
Answers: 1
Biology, 22.06.2019 07:30, ebzloera
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
Answers: 1
Biology, 22.06.2019 18:30, mdiaz487
Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions
Answers: 2
Biology, 22.06.2019 19:30, sierrathomas431
Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.
Answers: 2
Which of the following was an early realization that gave rise to darwin's theory of natural selecti...
Physics, 23.06.2019 12:00
Spanish, 23.06.2019 12:00
Mathematics, 23.06.2019 12:00
Mathematics, 23.06.2019 12:00