Adisease-resistant variety of a sexually reproducing crop was planted on a field with an existing nonresistant variety. after a few years, pests severely attacked the plants. the older, nonresident plants died. however, the recently grown plants survived. why did the new plants survive?
the pests can't attack the new plants.
the new plants had the resistant gene.
the old plants were covered with low-grade insecticides.
the new plant variety was younger than the intital plants.
the recently grown plants had an increased life span.
Answers: 3
Biology, 22.06.2019 07:30, queenjade582
Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.
Answers: 2
Biology, 22.06.2019 08:10, carlomorales200
Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material
Answers: 1
Adisease-resistant variety of a sexually reproducing crop was planted on a field with an existing no...
Biology, 21.04.2020 00:07
History, 21.04.2020 00:07
English, 21.04.2020 00:07
Mathematics, 21.04.2020 00:07