An internal skeleton is used to help an organism hold its body up and keep from falling, while a stem stores nutrients, and produces new living tissue, and transports fluids.
No their babies won't look alike.
<h3>Explanation:</h3>
Both the couples mentioned here i.e. Sally - Harry and Emily - Ken are both identical twins. So they have similar pairs of genetic setup. This was possible because they developed from same zygote.
But during gametogenesis, crossing over and independent assortment occurs which brings about variation in genetic setup among the offspring. And it's very less probable that same crossing over will occur between the gametes of these couples. So, their offsprings won't look same.
Answer: D. Galaxies show a red shift, indicating they are moving away from each other.
Explanation:
Galaxies seem to show a red shift which indicates that the galaxies are moving away from each other. This provides evidence for the Big Bang theory because the theory posits galaxies will keep moving away from each other.
This is because when an explosion happens, matter moves away from the point where the explosion happened. If the Big Bang happened therefore, galaxies will move away from the source which is why galaxies are moving away from each other.
Answer:
C
Explanation:
This is because niche talks about tje role of an organism.
Considering the humidity of the organism is not given a role to the organism.
Organism
Population
biological community
ecosystem
biome
biosphere
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Population is a group of organisms of d same species
A biological community is the population of organisms living together and interacting in a given area
Ecosystem is the interaction between living and non living organism in a community
Biomes are biological communities that are formed in response to a shared physical environment
Biosphere is the part of the earth that contains living organism
