Biology, 19.11.2019 23:31 juliannabartra

Which explanation is most likely the reason for the evolution of a larger brain in humans?
the size of the human brain increases the more it is used.
a larger brain allows humans to solve complex problems.
the size of the human brain has changed randomly over time due to mutations.
a large brain increases humans’ ability to fight and survive disease.

Answers: 3

Show answers

Another question on Biology

Biology, 21.06.2019 23:10

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

Answers: 2

Answer

Biology, 22.06.2019 12:00

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.

Answers: 1

Answer

Biology, 22.06.2019 18:00

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.

Answers: 1

Answer

Biology, 22.06.2019 20:30

Aspecies has evolved an asexual mode of reproduction by having offspring develop from unfertilized eggs. which of the following will be true of this species' response to natural selection? there will be more deaths from natural selection because there is no mutation. there will be less genetic variation from recombination and a risk of not adapting quickly to environmental change. the species will increase in numbers because genetic variation is increased. the species will compensate for loss of genetic variation by hybridizing with other species. there will be fewer deaths from natural selection because sexual recombination always leads to extinction.

Answers: 1

Answer

You know the right answer?

Which explanation is most likely the reason for the evolution of a larger brain in humans?
th...

Questions