See if any of the organisms lived before the others by measuring the age
of their fossils using some means, like radioactive dating.
Answer: C. Shadow length decreased from sunrise to noon.
Explanation: Think about how the sun is positioned in the sky. If it was noon, the sun is above the stick which means little to no shadow at all. If the sun was rising, its hitting one side of the stick, making the shadow longer.
Osmosis is the net movement of water down the concentration gradient, whereas active transport is the movement of substances against the concentration gradient. • Osmosis does not require energy, whereas active transport does.
The correct answer would be c. Wire mesh prevents rocks from sliding down the slope and onto the train track as it would interfere with the train.
Answer:
non-disjunction leading to trisomy for that gamete
Explanation:
Even with fertilisation being random, these gametes can still be implemented in fertilisation with a regular gamete causing anueploidy - this is the main cause of down syndrome or trisomy 21