The answer is B. crossing over during prophase I
Answer:
Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.
Answer: A
Explanation:
if you need an explanation lmk
Answer:
liver and skeletal muscle
Explanation:
Fossils are the preserved remains of organisms that are found in rocks. The give clues to how the earth has evolved in geologic past and the nature of organisms that lived during that period in time.
A lot of biases are known with fossil preservation as a geologic record might not tally with phylogenetic relationship developed by biologists.
- Some fossils can become lost in the geologic record due to the dynamic nature of our planet. Earth materials can be eroded and weathered causing preserved fossils to be lost and exposed.
- Some organisms are naturally favored due to their physiology to be preserved as fossils in the geologic record. Others would be lost. This makes records of life in preserved as fossils highly subjective.
Learn more:
Fossils brainly.com/question/9415077
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