B and D.
A respondent behaviour is caused by a stimuli. In this case, it’s the body’s natural instinct to sniff to locate the source of a strange odour or to blush when embarrassed.
Hope this helps
Answer:
He concluded that all cells come from preexisting cells.
Explanation:
<em>Rudolf Virchow while building on the work of Theodore Schwann formulated a part of the cell theory which opined that cells arose from pre-exsiting cells which disproved the theory of spontaneous generation</em>
Although this assertion has earlier been made by another scientist, Robert Remak in 1852, Schwann did not accept until later until after series of investigations. Schwann was later accused of publishing the work of Robert Remak as his in 1855.
The other parts of the cell theory include:
- All living organisms are made up of cells which could be prokaryotic or eukaryotic
- Cells are the basic unit of life.
Answer:
all Earth's organisms and the nonliving environment with which they interact
Explanation:
- <em><u>The biosphere is the fourth sphere, and consists of the places where life can be found. In other words,it is the layer of the planet Earth where life exists. </u></em>
- <u>Biosphere refers to all Earth's organisms and the nonliving environment with which they interact. </u>Life on biosphere depends on the sun. The energy provided by the sun is captured by plants and other photosynthetic organisms through the process of photosynthesis.
- This energy captured by the plants is used to transform carbon dioxide to organic compounds such as sugars, which is then obtained by other organisms called consumers when they feed on plants.
