#Question id: 10941
#Unit 7. System Physiology – Animal
In a normal healthy person, which of the following blood components has the shortest life span?
#Question id: 3441
#Unit 11. Evolution and Behavior
Animals tend to maximize their energy intake-to-expenditure ratio. What is this behavior called?
#Question id: 5012
#Unit 11. Evolution and Behavior
A | Silurian | I | Seed plants appear |
B | Devonian | II | Gymnosperms dominant |
C | Carboniferous | III | Invasion of land by primitive land plants |
D | Jurassic | IV | first reptiles |
#Question id: 5333
#Unit 8. Inheritance Biology
Phenylketonuria a metabolic disease in human is caused by recessive allele k. if two heterozygous carriers of allele marry and have three children, what is the chance that all children will be affected?
#Question id: 3525
#Unit 8. Inheritance Biology
In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype was crossed with rrtt plant results progeny, are