Answer:
This statement refers to Test Cross.
Explanation:
Generally a Test cross involving an individual with a homozygous recessive trait . When a single trait is being studies, a test cross is a cross between an individual with the dominant phenotype but of unknown genotype (either homozygous or heterozygous) with a homozygous recessive individual. If the unknown is heterozygous for a trait, then approximately half of the offspring will display the recessive phenotype. If all the offspring carry dominant phenotype, Then the unknown genotype is homozygous.
Sunlight is the energy source :)
Answer:
In the last step of the scientific process when they compare their results.
Explanation:
The scientific process can be described of the following steps in order:
Starting with the observation, finding a point that asks a question which will be investigated, constructing a hypothesis that can be tested, testing the hypothesis and lastly comparing the results and starting over.
The example given in the question has a question to investigate, the students have a hypothesis. They test it and find out that the water sample can hold 20 amoeba which does not match their predictions. The students will check if their results match their predictions in the last step of the process when they compare their results with their hypothesis.
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Answer:
A cladogram is a visual representation of the relationships between organisms and also shows how organisms evolved from common ancestors. <em><u>Points where organisms branch off are called </u></em><em><u>nodes </u></em><em><u>and these nodes branch off show the last common ancestor among the organisms.</u></em>After each node, the line moves forward, which indicates where the organisms diverge. This means at this point, the organisms evolved traits that separates them from the common ancestor.
Answer:
Air mass means a large body of air with the same temperature and moisture.
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