14. What do you call to the cells that lack a membrane-bound nucleus?
A. animal B. eukaryotic
C. plants D. prokaryotic

15. Where does the production of protein happen?

A. golgi apparatus
B. lysosomes C. mitochondria
D. ribosomes

16. How is a plant cell similar to an animal cell?

A. Both have nuclei, chloroplast and cytoplasm.
B. Both have cell walls, nuclei and cell membranes.
C. Both have nuclei, cytoplasm and cell membranes.
D. Both have cell walls, chloroplasts and cell membranes.

17. Which of the following structures are NOT involved in asexual reproduction?

A. gametes
B. root
C. stem
D. tuber

18. A sperm cell unites with an egg cell to form a zygote. Which process is taking place?

A. asexual reproduction
C. pollination B. fertilization
D. vegetative propagation

19. What is NOT a characteristic of sexual reproduction?

A. Gametes from two parents unite to form a zygote.
B. Offspring are genetically identical with the parent.
C. Offspring are different from their parents and sibling.
D. Genetic variability of offspring helps to ensure survival in changing environmental conditions.

20. Which species can produce offspring that are genetically different from their parents?

A. a species that has few variations
C. a species that reproduces asexually
B. a species that reproduces sexually
D. a species that competes with a similar species

21. What do you call to the relationship where both species benefit?

A. commensalism B. mutualism C. predation D. symbiosis

22. A clownfish uses a sea anemone as a safe place to live. While living there, the clownfish lures in food for the anemone. What type of relationship is this example?

A. commensalism B. mutualism C. parasitism D. predation

23. What kind of relationship is demonstrated by ferns that grow on the trunks of trees without getting food from the trees?

A. commensalism B. mutualism C. parasitism D. predation

24. What do you call a group of organisms that are of the same species and live in the same
area?

A. community B. ecosystem
C. habitat D. population

25. When is an object considered to be in motion?

1. When its position changes with respect to a point of reference,
II. When its distance changes with respect to a point of reference
III. When its direction changes with respect to a point of reference.

A. I and II only
B. II and III only
C. I and III only
D. I, II, and III​