what is the purpose of headings in a table?
I do believe the answer may be C, but I got one question wrong and I want a 90 percent on this, so help is much appreciated!
Explain why different mating systems exist.
Answer:
.Mating systems are important to understand because they reflect the result of natural selection on mate choice, and ultimately on strategies for maximizing individual reproductive success
Explanation:
How many chromosomes do humans have in each cell?
A. 46 pairs, total of 92
B. 10 pairs, total of 20
C. 22 pairs, total of 44
D. 23 pairs, total of 46
Two students described a part of Earth's middle layer.
Bob: The deepest part Joe:
The semi-fluid part
Which part of the middle layer did Bob and Joe describe? (1 point)
a They both described the mesosphere.
b They both described the asthenosphere.
c Bob described the mesosphere and Joe described the asthenosphere.
d Bob described the asthenosphere and Joe described the mesosphere.
Answer:
joe is right
Explanation:
because that is the mantle
A student is trying to model an ocean environment. What is the MOST important factor the student should add to the aquarium in order to make sure that the model is accurate?
A.starfish
B.seaweed
C.salt water
D.coral reef
Answer:
C: salt water
Explanation:
everything would be dead if there was no water
The most important factor while preparing a model of an ocean environment is Salt water. Marine ecosystems show high salinity. Thus, the correct option is C.
What is Ocean environment?Ocean ecosystems or environments are characterized by the important factors which include the availability of light, food and nutrients. Oceans have some unique properties which include high salinity, the freezing point which is slightly lower than that of fresh water, density which is slightly higher than other waterbodies, electrical conductivity which is much higher, and the slightly basic nature.
Oceans are important as they feed us, regulates the climate, and generate most of the oxygen which we use for breathing. They also serve as the foundation for much of the world's economy, supports important sectors from tourism to fisheries to the international markets.
Therefore, the correct option is C.
Learn more about Ocean here:
https://brainly.com/question/16237714
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