Oceans act as conveyor belts of cold and warm water, <span>sending heat toward the polar regions and helping tropical areas cool off.
helps distribute heat around the globe
stores solar radiation</span>
Answer:
They have genetic material.
Explanation:
All three domains and viruses have genetic material. They have to, otherwise they couldn't reproduce, whether sexual or asexual. In viruses, it can be RNA or DNA; obviously in eukarya it tends to be DNA, remembering that humans are eukaryotes; and in the other two domains a similar pattern is followed.
Why not the other options?
They are composed of cells
- Viruses technically don't have "cells," and even to say cells plural can be a misnomer for some of the more simple forms of life that are unicellular.
They are living things.
- All three domains are alive (bacteria, archaea, eukarya) but viruses are technically not considered to be alive.
They have organelles.
- Eukarya and prokarya technically both have organelles (think of prokaryotic ribosomes), but not all groups that you mentioned have organelles. Remember that organelles ("little organs") are specific groups of cells performing a function, and they usually have names.
Answer:
stroke volume. ... If the right ventricle begins to pump an increased amount of blood, this soon arrives at the left ventricle, stretches it more than before, and causes it to increase its stroke volume and match that of the right.
Explanation:
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Answer:
False
Explanation:
When scientists speak of evolution as a theory they do not mean that it is a mere speculation. It is a theory in the same sense as the propositions that the earth is round rather than flat or that our bodies are made of atoms are theories. Most people would consider such fundamental theories to be sufficiently tested by empirical evidence to conclude that they are indeed facts. As a result of the massive amount of evidence for biological evolution accumulated over the last two centuries, we can safely conclude that evolution has occurred and continues to occur. All life forms, including humans, evolved from earlier species, and all still living species of organisms continue to evolve today. They are not unchanging end-products.
Evolution by natural selection is one of the best substantiated theories in the history of science, supported by evidence from a wide variety of scientific disciplines, including paleontology, geology, genetics and developmental biology.
If the gravity of the earth increases, our weight increases cause everything to be heavier
