The correct answer for the question "A student looks at a slice of tissue on an unlabelled microscope slide. the student concludes that the tissue is not from an animal because the cells in t<span>he tissue have" is D. Cell walls. When we compare animal and plant cells, only plant cells have cell walls. Cell walls are formed because of cellulose. </span>
Answer:
The bones are homologous structures
Explanation:
Homologous structures are the structure which are found similar in appearance in different organisms.
The homologous structures in different organism shows that they shared a common ancestor or they diverged from a common ancestor during course of evolution that is these homologous structures are the result of the divergent evolution.
In the given question, the bat, dolphin and the cat shows the same structure of bone which indicates that they have evolved from a common ancestor and is true as they all belong to mammals.
Thus, the bones are homologous structures is correct.
<span>Scientist rejected Wegener's hypothesis of continental drift at first because he did not have enough evidence to support his theory. He failed to provide a suitable mechanism that could cause the continents to move. </span>
What is the question though? I do not see any here
The answer to question one is the third option; this helps us find the answer to the next question which is the last option because during sexual reproduction the offspring gets two sets of genes there is more variation