• Ruby-crowned kinglets have a weight of only 0.24 oz (that's about the weight of your eyeball!). Some populations migrate south but many will see
out the winter in their summer habitat. To survive the long, cold nights,
these tiny birds will huddle' up together. Explain why this behavior may
have evolved using ideas learned during this unit relating to cells' surface
area and volume.

I need this please

its 42

i say its d?

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.