Biology, 31.08.2019 10:20 dugochukwu12
Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continental shelf zones where they form huge kelp beds. it was observed that the removal of sea otters from the west coast led to an increase in the sea urchin population. these sea urchins fed on the large kelp fronds, destroying the kelp beds that serve as an important source of food and protection for spawning fish. what role does the sea otter play in this case?
a) dominant species
b) invasive species
c) keystone species
Answers: 2
Biology, 22.06.2019 03:00
Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
Answers: 1
Biology, 22.06.2019 11:00
What factors contribute to the effect an environmental toxin has on the human body?
Answers: 3
Biology, 22.06.2019 12:30
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
Answers: 2
Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continent...
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