Pollen , coal and stems are evidences that plants existed in Antarctica.
Explanation:
- Pollens being highly resistant to temperature changes due to the presence of sporopollenin must have remained preserved in ice covered continent of Antarctica.
- Pollens are reproductive units of Plant that suggest existence of plants in the Ice covered land.
- Coal is formed as the fossilization of plants under anaeorobic conditions and high pressure. thus, this also suggest the existence of plants.
- Stems are plant parts thus clearly is an evidence that plants existed there.
Answer:
The correct answer is option C.
Explanation:
Human subject research is an investigation or research that include human as the subject. In other words, An Investigator conducts clinical research on humans getting data through interaction and intervention of individuals.
investigator A has investigated biological specimens. These specimens are coded and linked to the identifiers. Investigator B's research using biospecimens human subject is not according to the human subject research in the federal regulations as investigator B did not get the individual identifiers.
Thus, the correct answer is option C.
Haploid is 1/2....and diploid is doubled....so I say 40
Answer:
Ecological pyramid is a graphical representation showing the biomass or bioproductivity at each trophic level in a given ecosystem.
Limitations
The ecological pyramid does not take into account the same species belonging to more than one trophic level.
Answer:
D. It’s used to make paper products.
Explanation:
Cellulose is considered a major material when creating a large amount of paper products like papers, paperboard, and cardboards
