The fluid-filled structure that helps to cushion and protect a developing embryo is the
A) zona pellucida.
B) amnion.
C) blastocyst.
D) placenta.
B
You might also like to view...
Why do you typically find bigger rocks along the banks of a fast-moving stream and smaller rocks and pebbles beside a slower-moving stream?
A. Slow-moving streams carry only dissolved sediments. B. As a stream slows, it deposits its smaller sediments first. C. Fast-moving streams carry only large sediments. D. As a stream slows, it deposits its larger sediments first.
Which of the following are examples of modern-day island arcs? CHOOSE ALL THAT APPLY.
a) Hawaiian Islands b) East African rift c) Mariana Islands d) Aleutian Islands
At a neuromuscular junction
What will be an ideal response?
A(n) ________ is likely to host a waterfall or steep rapids today. outwash plain hanging valley striated drumlin
What will be an ideal response?