Biology, 25.03.2021 01:00, spyderpunch69
Use the drop-down menus to complete each sentence.
There are two types of vascular tissue that aid in the
of water, nutrients, and food.
All vascular plants have true stems, roots, and
.
Answers: 1
Biology, 21.06.2019 19:10, jasminer257
What are the types of mutations, and how does each alter the encoded protein? college level answer
Answers: 1
Biology, 21.06.2019 20:00, zaratayyibah
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
Biology, 22.06.2019 05:20, bear342
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
Biology, 22.06.2019 09:30, michellemonroe012305
How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?
Answers: 1
Use the drop-down menus to complete each sentence.
There are two types of vascular tissue that aid...
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