S waves travel through solids
Answer:
c. parasite
Explanation:
the barnacle benefits from the host while the host is harmed from the barnacle
Answer:
b. help retain moisture in terrestrial habitats
Explanation:
Arthropods such as cockroach, centipedes, spiders, crab are the members of the largest phylum Arthropoda. These are animals with paired jointed legs and their body is covered with an exoskeleton made of chitin. They live in diversified habitat and exoskeleton helps to retain moisture in theterrestrial habitats.
Similarly mollusks such as sepia, snail are soft bodied animal whose body is covered with calcareous shell as a protection and to retain moisture while living on land.
The primary consumer in the food chain is the bottom level of animals that eat plants and grasses for nutrition.
FOR EXAMPLE: grasshopper
Answer:
Explanation:
Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. How can the student demonstrate the theory of endosymbiosis using the models?
