Answer:
Thickness of the skin and hair on the body
Explanation:
Thickness of the skin and hair on the body are the characteristics of animals that help them to survive the temperatures of their environments. If the animal is herbivore so they feed on plants while if the animal carnivore it feed on flesh. Yes, they have characteristics such as long legs and powerful nose etc that help them find and capture food. Yes, the animals have ways to sustain themselves if the availability of food or water is limited such as camel. Different natural defenses used by these animals against predators such as Camouflage. Yes, they have characteristics to protect their young such as horns used by deer and buffalo.
It is a sphere to be precise.
Because of the omnidirectional nature of the gravitational attraction, mass tends to form spheres in the macro scale of planets and similarly massive celestial bodies.
We do not use carbon dioxide to fuel our blood cells. It is a waste.
Arteries move blood from the heart to the rest of the body.
Veins carry the blood to the heart to be oxidized.
"D" is not correct.
"B" is not correct.
We know that veins carry blood to the heart, lungs exhale carbon dioxide.
"A" is the correct answer.
I hope this helps!
~kaikers
Scientists found that the first living things were likely prokaryotic because eukaryotic are evolved from the prokaryotic only.
<h3>What do you mean by Natural selection?</h3>
Natural selection may be defined as favorable variations that assist the organisms to survive and reproduce in a particular habitat.
Individuals that are better suited to their environment are likely to have more offspring and pass their genetic material on to future generations. This theory is referred to as Natural selection.
Scientists hypothesize that oxygen began to accumulate in the Earth's atmosphere after the appearance of living things with the ability to Photosynthesize.
To learn more about Photosynthesis, refer to the link:
brainly.com/question/19160081
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