Biology, 15.01.2020 20:31 Sofianevaeh1339
Which statement about the giraffes explains their evolution based on charles darwin’s main points? a) the closest fossil ancestor to these giraffes would have a very short neck. b)all three of the giraffes have an equal chance of reproducing regardless of the environment. c)as a giraffe reached for food, the giraffe could make its neck longer making it better adapted to the environment. d)long necks were a random genetic change and resulted in the gradual increase of organisms with long necks.
Answers: 3
Biology, 22.06.2019 07:00
In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?
Answers: 3
Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
Answers: 2
Biology, 22.06.2019 16:40
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
Answers: 2
Which statement about the giraffes explains their evolution based on charles darwin’s main points?...
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