What role has mass extinction played in animal evolution?
Answer: Mass extinction can remove ecologically dominant groups, paving the way for new or previously minor groups to diversify
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How are the tails and heads of membrane phospholipids oriented in their environment?
A. The hydrophobic heads are oriented towards each other and the hydrophillic tails are oriented towards the extracellular fluid and the intracellular fluid. B. The hydrophillic tails are oriented towards each other and the hydrophobic heads are oriented towards the extracellular fluid and the intracellular fluid. C. The hydrophobic tails are oriented towards each other and the hydrophillic heads are oriented towards the extracellular fluid and the intracellular fluid. D. The hydrophillic heads are oriented towards each other and the hydrophobic tails are oriented towards the extracellular fluid and the intracellular fluid.
Why do astronauts experience bone loss in space?
What will be an ideal response?
Twins from two individual zygotes (dizygotic twins)
A) are as related genetically as monozygotic twins. B) share no genetic similarities. C) are 100% genetically identical. D) are as related genetically as non-twin siblings.
Aposematic, or warning coloration, serves to protect an animal or plant by signaling to potential ________ to stay away.
A. rivals B. predators C. competitors D. mates