Biology, 03.09.2020 05:01 rodriguezjeslin086
A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed re-appeared?A) Natural selection caused the pigweed to mutate, creating a new triazine-resistant species. B) The herbicide company lost its triazine formula and started selling poor-quality triazine. C) Triazine-resistant pigweed has less efficient photosynthesis metabolism. D) Only triazine-resistant weeds survived and reproduced, so each year more pigweed was triazine-resistant.
Answers: 3
Biology, 22.06.2019 00:10
Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?
Answers: 3
Biology, 22.06.2019 07:30
In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !
Answers: 3
Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
Answers: 2
A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triaz...
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