Question

1. robert hook made __ using . a. observations, computers b. inferences, animal cells c. observations, microscopes 2. theodore schwann made observations about __. a. cork pieces b. animal cells c. plant cells 3. why did the cell theory get expanded? a. scientists made observations using new technology b. scientists developed antibiotics c. scientists discovered new genetic engineering techniques

Explanation:

1. Robert Hooke used microscopes to make observations of cork and coined the term "cell".
2. Theodore Schwann made observations about animal cells and was a co - founder of cell theory.
3. The cell theory was expanded as scientists made new observations with the help of improved technology.

Answer:

1. c. observations, microscopes
2. b. Animal cells
3. a. Scientists made observations using new technology