Question

which of following statements are true? check all that apply. the cells of unicellular organisms are larger than those of multicellular organisms. the cells of multicellular organisms tend to be larger than those of unicellular organisms. unicellular organisms consist of many different types of cells. multicellular organisms consist of many different types of cells. done

Explanation:

1. For the first statement: Unicellular organisms' cells can be larger as they perform all functions alone, so this can be true.
2. Second statement: Contradicts the first; multicellular cells aren't generally larger, so false.
3. Third statement: Unicellular has one cell type (the single cell), so false.
4. Fourth statement: Multicellular organisms have specialized cells (different types for different functions), so true. Also, the first statement about unicellular cells being larger (in some cases, like amoeba vs some multicellular cells) is true. Wait, correction: Let's re - evaluate. Unicellular organisms: a single cell does all work. Some unicellular cells (like certain protists) are large. Multicellular: cells are specialized, not necessarily large. So "The cells of unicellular organisms are larger than those of multicellular organisms" (in some cases, so this can be true) and "Multicellular organisms consist of many different types of cells" (true, due to cell specialization). The other two are false. So the true statements are the first and the fourth. Wait, let's check again:

• "The cells of unicellular organisms are larger than those of multicellular organisms": Some unicellular organisms (e.g., Caulerpa is a large unicellular alga, but wait, Caulerpa is actually a multinucleated single cell, but generally, many unicellular organisms have larger cells than most cells of multicellular organisms. For example, an amoeba cell can be larger than a human skin cell. So this statement can be true.
• "Multicellular organisms consist of many different types of cells": True, because of cell differentiation (e.g., in humans, muscle cells, nerve cells, etc.).
• "The cells of multicellular organisms tend to be larger than those of unicellular organisms": False, as explained.
• "Unicellular organisms consist of many different types of cells": False, unicellular has one cell (so one type, as the single cell does all functions).

So the true statements are "The cells of unicellular organisms are larger than those of multicellular organisms" and "Multicellular organisms consist of many different types of cells".

Answer:

• The cells of unicellular organisms are larger than those of multicellular organisms.
• Multicellular organisms consist of many different types of cells.