Question

part a: prokaryotic cells

1. state one difference and two similarities that you can see between the bacteria in yogurt and the gleocapsa cells.

difference:
similarities: a)
b)

1. gleocapsa is green. this is because it contains chlorophyll. what advantage does the presence of chlorophyll give to these cells?

part b: eukaryotic cells

1. what are 2 similarities you see between stentor and vorticella?

a)
b)

1. what is a major difference between euglena and paramecium?

Explanation:

1. Difference: Yogurt bacteria are often heterotrophic (get nutrients from organic compounds), while Gleocapsa is autotrophic (can perform photosynthesis). Similarities: a) Both are prokaryotic cells with cell walls. b) Both have circular DNA.
2. Chlorophyll allows Gleocapsa to perform photosynthesis, converting light - energy into chemical energy (glucose) for growth and survival.
3. a) Both Stentor and Vorticella are eukaryotic, single - celled organisms. b) Both are ciliated protozoa, using cilia for movement and feeding.
4. Euglena is photosynthetic (has chloroplasts) and can be autotrophic, while Paramecium is heterotrophic, feeding on bacteria and other small particles.

Answer:

1. Difference: Yogurt bacteria are heterotrophic, Gleocapsa is autotrophic. Similarities: a) Have cell walls. b) Have circular DNA.
2. Allows photosynthesis to get energy.
3. a) Eukaryotic single - celled. b) Ciliated protozoa.
4. Euglena is photosynthetic, Paramecium is heterotrophic.