The answer is (1.) entering the torpor
The hummingbirds are the tiniest bird in the world but is
also the biggest eater. They burn food so fast they often eat up to 3 times
their weight. They feed on nectars and insect. When they can’t eat especially
on cold temperatures, these birds go in a sleeping state called torpor. A
fascinating way to conserve energy.
Answer: blood travels from the heart through arteries and blood travels to the heart through the veins.
I hope this helps
What grade biology is it?
Answer:
siguen normas estadísticas sencillas, resumidas en sus dos principios. Conocida también como la primera Ley de Mendel, de la segregación equitativa o disyunción de los alelos.
Explanation:
la herencia se transmite por elementos particulados (refutando, por tanto, la herencia de las mezclas)
Metalliods because they have both characteristics of metals and non metals