2. All cells arise from pre existing cells(Rudolf Virchow). Cell is the fundamental, structural and functional unit of all organisms(Schleiden and Schwann).
3. All cells have a cell membrane.
All cells have chromosomes present.
All cells have cytoplasm.
4.Eukaryotic cells contain a nuclear membrane but Prokaryotic cells have only pseudo nucleus
Eukaryotic cells contain membrane bound organelles but prokaryotic cells don't.
D mantle
The mantle swells up in response to the plate moving
Answer:
The correct answer is - D. natural selection.
Explanation:
Sexual selection takes place due to competition between individuals of the intraspecies same-sex and of mate choice which driving the evolution of reproductive traits.
Sexual selection is a mode of natural selection as it leads to the evolution of specific traits. Other examples or options are not related to sexual selection directly and are not affected by sexual selection.
Animals cause erosion in other ways too. When too many animals live in one place, they tend to eat and trample all the plants. Without the plants to protect the soil, it is much more likely to be eroded by wind and water. Animals cause weathering and erosion on rocky shorelines.
