An example of a community is:
A: One giant kelp individual
B: A kelp forest plus all of the physical factors affecting it
C: All physical factors affecting a kelp forest
D: A kelp forest plus all organisms living in it
A: One giant kelp individual
B: A kelp forest plus all of the physical factors affecting it
C: All physical factors affecting a kelp forest
D: A kelp forest plus all organisms living in it
举一反三
- Listen to the statement and circle the appropriate letter. What is the topic of this statement A: sea urchins B: sea otters C: the relationship of many sea living creatures in the kelp forest
- All of the following are mentioned in the passage as factors affecting the health of the population EXCEPT ________.
- What is the keystone species for the Pacific northwest? A: kelp B: sea urchin C: fish D: sea otter
- Which of the following foods cannot remove heavy metals from food? A: Egg B: Kelp C: Carrot D: Vegetable oil
- Which of the following factors is the material prerequisite for physical and mental development? A: Education B: Individual practice activities C: The environment D: Genetic factors E: Individual epigenetic factors