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scoray [572]
3 years ago
6

A farmer is trying to determine why some weeds sprayed with weed killer do not die. to begin a scientific investigation of this

issue, what would be the first step for the farmer?
Biology
2 answers:
katrin [286]3 years ago
8 0

Draw conclusions about the plants in his field.

blagie [28]3 years ago
4 0
The first thing that the farmer should do is formulate a hypothesis in which he will make intelligent guesses on what is happening or develop a theory of which would explain what is happening. It is the first step in scientific investigation in order to formulate questions of why weeds that are sprayed does not die. After this, it is only then the farmer should experiment and after that, he should finalize his findings as it is its conclusion to the problem.
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Put the following levels of organization in order from least inclusive (1) to most inclusive (5).
Delvig [45]
I think it'd be cell, tissue, organ, organ system, organism. 

I hope this helps!
3 0
3 years ago
Read 2 more answers
At what point is meiosis involved in the plant life cycle
Mazyrski [523]
Meiosis is invovled in the production of gametos (sex cells) so that the plant can reproduce. This usually happens during the time the plant is flowering
6 0
3 years ago
¿por qué puedes distinguir el ruido de un coche del soplo del viento o del canto de los pájaros?. ​
FromTheMoon [43]

Answer:

Del Canto De Los Pájaros

3 0
2 years ago
In addition to mutations, genetic variation can also arise during the formation of gametes during meiosis. During meiosis I, hom
amm1812

Answer:

Crossing over ensures that organisms of the same parents have differences in genetic content making them unique in one way or the other.

Explanation:

This question is describing the process of crossing over, which occurs only during prophase I of meiosis. During the process of crossing over, alleles of a gene are exchanged between non-sister chromatids of homologous chromosomes (mother and father chromosomes).

Hence, a unique GAMETE that has been genetically recombined will be formed. When these gametes are fertilized (egg) or fertilizes (sperm), organisms that are genetically different from their parents are produced. This ensures genetic variation, which is a difference in the genetic content of organisms.

5 0
3 years ago
Explain how mRNA is formed from the DNA template.
muminat

Answer:

mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. This process requires nucleotide triphosphates as substrates and is catalyzed by the enzyme RNA polymerase II. The process of making mRNA from DNA is called transcription, and it occurs in the nucleus.

4 0
3 years ago
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