Immediately after gastrulation:

the embryo forms a blastula

sperm travel to the oviduct

the body axis of the embryo appears

the fetus' circulatory system begins to mature

A rejection of either science or scripture is usually due to a failure of understanding the

Which of the following differences between prokaryotic and eukaryotic cells is the greatest advantage to survival of eukaryotic cells? Eukaryotic cells can reproduce asexually in certain conditions.

One percent of the atmosphere is ___ gases.

What hormone is the adrenal medulla responsible for secreting? A. Gonadocorticoids B. Estrogen C. Epinephrine D. Androgen

Bacteria reproduce asexually, whereas most plants and animals reproduce sexually. Which is the better method?

Which process changes sedimentary rocks into igneous

Unlike minerals such as iron and calcium, protein is a macronutrient in the human diet. Why is protein a macronutrient?

Energy drinks have become increasingly popular. Somebody's trying to contain large amounts of caffeine which is known to increase heart rate in most individuals. This effect on the heart rate can be Dangerous because it can lead to

Which statement describes an activity of a decomposer? A) a mushroom digests and absorbs nutrients from organic matter?

How does science works