Answer:
C
Animals have a mitochondria, a nucleus, and a cell membrane, bu they do not have chloroplasts. You can only find chloroplasts in human and plant cells, not a animal's cell. Hope it helps!
-autotrophic bacteria give off oxygen (O2)
-flavor foods such as vinegar, yogurt, cheese, etc. (pasteurization)
-decomposers (bacteria)- recycle nutrients in food web
-enviromental clean-up- bacteria eat oil from oil spills
0health and medicine- bacteria break down food in your intestines/make
Answer:
D) Can simple organic molecules form spontaneously in an oxygen-free atmosphere?
Explanation:
Answer:
B
Explanation:
Crossing over is the process involved during meiosis of two chromosomes sharing genetic information with each other from each parent. This happens so the two daughter cells or sister chromatids have a variety of genetic information and so they are not completely identical. This leads to genetic diversity or variation.
Answer:
A cinder cone is a short, steep volcano that blasts out
pyroclastic material.
Explanation:
A cinder cone is basically a sharp conical hill which consist of a loose pyroclastic fragments that are being formed on the sides on volcanic vent.
Simply think of a steep volcano and how it acts when it blats out, this is what cinder cone is. When the lava is blown out in a very violent manner, it breaks in to very small particles that can be addressed as cinder. Almost all the cinder cones are made up of pyroclastic substance.
