It helps the cell by making sure everything gets circulated throughout the cell
Answer:
1
Explanation:
Lichen are usually the first thing to grow on bare rock, making them a pioneer species. Fun fact, you can use lichen to determine if the air quality in an ecosystem is polluted.
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Answer:
Receiving the same amount of light intensity and water. Being grown in the same type of soil ensures that the above listed constant variable is maintained to ensure that any changes to rate of plant growth is solely due to changes in pH level.
Explanation:
The variable that u are testing Is change in pH level. Hence, to ensure results are reliable, u need to hold the other variables constant.
Answer:
Both fish and bird embryos possess gill slits and gill arches.
Explanation:
Embryology -- the study of embryos -- is a fundamental area that is correlated to evolution. Together, <u>they have provided evidence that we all evolved from a common ancestor.</u>
This area of study has showed that embryos that look completely different as adults share many similarities during their development. This is the case of numerous species, such as humans and birds and fish and birds.
<u>Both fish and bird embryos possess gill slits and gill arches</u>. However, <u>only fish possess them as adults. Gill slits develop into gill individual openings and gill arches will eventually support these gills. In contrast, adult birds do not possess gills, they are only present during their development.</u> This provides significant insight into the previously mentioned common ancestor theory.
Answer:
See the answer below
Explanation:
First, it may seem that the question is with a typographical error. I guess you wanted to ask, <em>"Which statement best describes the scientist who contributed to our current body of scientific knowledge?</em>"
<u>To answer the question, anyone that has engaged in research following the established scientific method and was able to report the findings from the research by publishing it in a recognized journal has contributed to our current body of scientific knowledge.</u>
In this regard, men and women of all races, through time have contributed to our current body of scientific knowledge.
