Emma went to a science fair. one of the students at the science fair performed an experiment to test the effects of music on a plant growth. the student concluded from her results that music made plants grow approximately 10% faster. which of the following questions should emma ask the student to find out if the student’s conclusion was valid? 1. what types of plants were used in the experiment? 2. what was the experiment’s control? 3.was the experiment repeated more then once? a. two and three only b. one only c. one two and three d. oneandtwo
Answers: 1
Biology, 22.06.2019 02:00
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
Biology, 22.06.2019 03:00
During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.
Answers: 3
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
Emma went to a science fair. one of the students at the science fair performed an experiment to test...
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