Answer:
a. is explination 1
b is explaination 2
Step-by-step explanation:
1: Amoeba use pseudopodia to move from one place to another in the aquatic environment, versus Chlamydomonas, which have flagella, used for locomotion.
2: Chlamydomonas contain chloroplast, which give them, the ability to perform photosynthesis to make their food from inorganic compounds so Chlamydomonas are more plant-like, unlike Amoeba, which gets their food by consuming smaller plants and animals therefore they resemble more to animals by mode of nutrition
hope this helps!!