Select the correct answer.
betty drew the life cycle of a butterfly for a science exhibition. the life cycle showed the various stages of growth before the egg turns into a butterfly.
what type of model did betty use?
monarch butterfly
life cycle
larva
chrysalis
a.
hypothetical
ob. conceptual
c.
mathematical
d. physical
served.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.