What dose the arrow represents in a food chain

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones) ? A.

What enables bacteria to produce human growth hormone? a) DNA replication is semi-conservative b) The polymerase chain reaction can be used c) They need the hormone for growth d) The genetic code is universal

In the case of carbon monoxide poisoning, which biological system is most affected since it requires great quantities of atp? a.? (heart cells, muscle cells, bone cells?) its not brain cells

Why would a huge snowstorm have anything to do with global warming? It wouldn't. Snowstorms are caused by other types of climate change. Global warming can cause more extreme local weather, and some of it might be colder for certain regions.

List three facts you discovered about ecosystems

What dose a kangaroo lack that mammals such as dogs and cats have

Down syndrome occurs when a particular gene is injured on the x chromosome. a. True b. False

How would the ecosystem be affected if your top predators were hunted to extinction

3 ways that living creatures use lipids

Absolute dating can be determined by which of the following. Select all that apply. A. tree-ring patterns B. Earth's magnetic field C. a historian's journal D. coral growth cycle E. radioactivity F. photo comparison