/gives brainliest a disease-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, nonresistant plants died. however, the recently grown plants survived. why did the new plants survive? a) the pests can’t attack the new plants. b) the new plants had the resistant gene. c) the old plants were covered with low-grade insecticides. d) the new plant variety was younger than the initial plants. e) the recently grown plants had an increased life span.
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Biology, 21.06.2019 21:00
What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones
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Biology, 22.06.2019 10:30
10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii
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Biology, 22.06.2019 12:40
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
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Biology, 22.06.2019 13:30
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
Answers: 2
/gives brainliest a disease-resistant variety of a sexually reproducing crop was planted on a field...
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