Biology, 30.10.2019 18:31 wsdafvbhjkl
Humans have always wondered about the origin of life. in the past, people believed in spontaneous generation, or the theory that life could arise from non-living matter. this was partly because people did not understand why maggots seemed to emerge from rotting meat without any explanation. then, in 1668, an italian scientist named francisco redi disproved the theory of spontaneous generation by performing an experiment in which he covered a piece of meat, preventing flies from laying eggs there. consequently, no maggots emerged. this experiment shows that
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Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
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Biology, 22.06.2019 01:00
An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen
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Biology, 22.06.2019 03:00
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
Answers: 3
Humans have always wondered about the origin of life. in the past, people believed in spontaneous ge...
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