Rough endoplasmic reticulum or RER for short.
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Endocrine system consist of endocrine glands that produces hormones. This hormones are carried by blood to their sites of function
Plants get their energy from the Sun. animals would then eat the plants and get energy from the plants.
Answer:
Kevin has observed 2 consumers, the primary consumer, the spider, and the secondary consumer is the bird.
Explanation:
The producer in this scenario is the cricket, and the spider eats first, that's why its called the "primary" consumer.
