Biology, 19.09.2019 17:10 sherlyngaspar1p9t3ly
Aresearcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which
groups of five plants are given 1, 2, and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations over
a period of one month. the researcher measures plant height and weight at the end of the experiment. what is missing
in this experimental design?
a) a control
b) an independent variable
c) a dependent variable
d) a constant
Answers: 1
Biology, 22.06.2019 05:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0Β°, 45Β°, and 90Β° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
Answers: 3
Biology, 22.06.2019 07:30
The equation shows cellular respiration. during cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and atp. what happens to the energy in the bonds in glucose? the energy is transferred to oxygen. the energy is transferred to carbon dioxide. the energy is transferred to water. the energy is transferred to atp.
Answers: 2
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. itβs rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Aresearcher is interested in the effects of nitrate and phosphate on plant growth and sets up an exp...
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