Biology, 23.07.2020 09:01 Sprout7430
Consider A, B and C for oesophagus and choose option which have all correct statements for it ? A. It is a thin and long tube B. It extends anteriorly passing through neck thorax and diaphragm C. It's upper end have huge amount of longitudinal muscles so it remains closed normally only opens at the time of swallowing
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Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or
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How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
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What is the correct trna sequence that would match the following mrna sequence.gcgaua
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Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.
Answers: 3
Consider A, B and C for oesophagus and choose option which have all correct statements for it ? A. I...
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