Select the right answer for each question.

7. The presence in the body of a disease is caused by.

a) germs

b) dead cell c) chemical unbalance

d) antibiotics

How are genetic mutations passed from parent to offspring? A) Sex cells divide to creat a new cell. B) Mutated gametes fuse to creat offspring. C) Genetic mutation occur during DNA replication.

The role of the excretory system is to rid the body of toxic waste products. Which of these body systems also plays a direct role in removing waste products from the body? ...

The conversion of nitrates into atmospheric nitrogen is facilitated by microbes in a process called

identify the process shown in figure 18 then explain how the figure provides evidence to support the claim that meiosis increases genetic variation.

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? organism organ system tissue cell

If you put three cells in an isotonic solution what will happen to them.

How does the presence of a mid ocean ridge most likely affect the nearby ocean currents? A lt speeds up surface currents B. it changes the course of surface currents C. It changes the course of deep ocean currents. D.

I need to know two structures that allow arthropods to breathe air?

Explain the similarity between aquifers and banks.

How is decaying organic matter important to the carbon cycle? 1. It produces fossil fuels that store energy 2. It fixes carbon from the atmosphere 3. It transfers usable carbon from plants to animals 4. It returns carbon to carbon dioxide gas