Speciation occurs when
1. a new species mate with the old species.
2. a new species formed fr...
Biology, 11.12.2020 01:20 murphyscott794
Speciation occurs when
1. a new species mate with the old species.
2. a new species formed from existing populations.
3.All answers are correct.
4. a new organism was formed from nowhere.
Answers: 2
Biology, 21.06.2019 12:30
Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.
Answers: 2
Biology, 21.06.2019 20:00
The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.
Answers: 1
Biology, 22.06.2019 13:00
In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
Biology, 22.06.2019 16:50
When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen
Answers: 1
Computers and Technology, 11.07.2019 20:30
Spanish, 11.07.2019 20:30
Spanish, 11.07.2019 20:30
English, 11.07.2019 20:30
History, 11.07.2019 20:30
Mathematics, 11.07.2019 20:30
Mathematics, 11.07.2019 20:30
Mathematics, 11.07.2019 20:30
Biology, 11.07.2019 20:30
Biology, 11.07.2019 20:30