A. Which of the following animals most likely uses the largest percentage of its

Question

A. Which of the following animals most likely uses the largest percentage of its energy budget for homeostatic regulation?

4. a bird living year round in a desert

B. Both the endocrine and nervous systems transmit information around an animal's body. Which of the following is a characteristic of nervous system signals?

_.

C. All insects ________.

1 . a marine jelly (an invertebrate) living deep in the ocean 2. a snake in a tropical forest 3. a shark swimming in the open ocean

4. a bird living year round in a desert

Explanation / Answer

Please find the answers below:

Part 1: Choice 4 (desert areas are extremely host and dry and thus the animals/birds/insects residing at this place will be required to spend a huge amount of energy to regulate their body temperature with respect to the atmospheric temperature. This maintenance of core body temperature along with internal homeostasis will require maximum amount of energy as compared to other cases)

Part 2: Choice 2 (whereas both endocrine and nervous signals are required in a minute quantity and fraction of seconds to travel through the body and produce an effect, it is important to not here that a nervous signal is an electro-chemical signal in nature which absolutely requires differential voltage regulation over the neurons in order to transmit the information. This is a characteristic of the nervous tissue but not for endocrine signal which travel the body via blood stream.)

Part 3: Choice 2 (The phylum arthropoda or the phylum of insects is the one which comprises of typical features of presences of jointed appendates including body segments and legs. Also, it is also universal for all the insects that they undergo various stages of metamorphosis. This holds true for all the insects which undergo multiple stages from larva, pupa and an adult.)

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