We breathe in air, not straight oxygen. Attached is a pie chart showing roughly what percentage of what is in the air we breathe
Answer:
D its population decreases
Explanation:
since a species cannot adapt they most probobly loose population
Answer:
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Answer:
sunlight, carbon dioxide and water as starting reactants
Explanation:
Considering the multiple choice;
A. Require the correct external signal to replace
B. Start to develop new receptors in adaptation to their new environment.
C. Differentiate non-randomly only when specific hormones are present.
D. develop receptors in a random fashion.
Answer;
A. Require the correct external signal to replace
If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will
Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo.
Embryonic stem cells are pluripotent, meaning they are able to grow, into all derivatives of the three primary germ layers: ectoderm, endoderm and mesoderm.