subject
Biology, 25.07.2019 15:00 puremousetail

Cyanobacteria are important to the evolution and advancements of other life on earth because they a) were the first lifeform on earth. b) produced oxygen from photosynthesis. c) were the first group of organisms to leave a fossil record. d) were thought to have become mitochondria in the cells of animals.

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 23:10
Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.
Answers: 3
question
Biology, 22.06.2019 07:00
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
question
Biology, 22.06.2019 22:30
Adehydrated patient has high water concentration in her urine and high adh concentration in her blood. which of the following is likely malfunctioning in the patient? a. pituitary gland b. urinary bladder c. kidney tubules d. circulatory system
Answers: 1
question
Biology, 23.06.2019 03:00
Analyze the importance of the kind of receptors found in fingers
Answers: 2
You know the right answer?
Cyanobacteria are important to the evolution and advancements of other life on earth because they a...
Questions
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Social Studies, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Physics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
English, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:01
question
Mathematics, 15.09.2020 03:51
question
Mathematics, 15.09.2020 03:51
question
Mathematics, 15.09.2020 03:51
Questions on the website: 13722362