Questions in biology

Erythropoiesis is ...

• A kind of Ancient poetry from China

• The process by which red blood cells are formed and are destroyed

• The process by which red blood cells form

• The process by which red and white blood cells form

Erythropoietin (EPO) is produced...

• when oxygen levels in the blood decrease

• mostly by the bone marrow but partly by the kidneys

• in greater frequency as we get older

• 2 of the above

Which type of explanation asks about the adaptive role of a biological phenomenon?

• mechanistic explanation

• functional explanation

• developmental explanation

• historical explanation

What kind of explanation is this? "The reason birds prefer the song of their own kind is because they hear the sound of their mothers while the embryo develops in the egg"

• mechanistic

• adaptive

• ontogenetic

• phylogenetic

Which two explanations are aimed at providing an account of how a biological phenomenon has emerged in time?

• mechanistic and ontogenetic

• Functional and phylogenetic

• Ontogenetic and phylogenetic

• mechanistic and phylogenetic

Which of the following scientists hypothesised that chloroplast and mitochondria were previously free roaming microbes that eventually formed an endosymbiotic relationship that led to eukaryotic cells?

• Barbara McClintock

• Rosalind Franklin

• Elizabeth Blackburn

• Lynn Margulis

The kidneys regulate red blood cell production in a negative feedback loop. Can you list any other negative feedback loops we have learned in the course so far - at different levels of biological organisation?

We have explored four different answers to questions about what is happening in biology. Can you think of any other kinds of questions we might ask?

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