Which animals are ectothermic

Assignment Help Biology

Reference no: EM1396438

1. The duck-billed platypus and other monotremes differ from other mammals in that they? a. are aquatic. b. have mammary glands. c. lay eggs. d. have hair. 2. The vertebrate group that describes all jawed vertebrates with two pairs of limbs is the? a. craniates. b. mammals. c. tetrapods. d. amniotes. 3. Lampreys differ from fishes in that lampreys a. lack a backbone. b. lack an endoskeleton. c. lack jaws. d. possess a backbone and skull. 4. A biologist visited a fish market and found a fish she did not recognize. To place the unknown fish into a major group, she would need to look at _____. a. only the structure and composition of the skeleton b. the structure and composition of the skeleton and the structure and arrangement of the fins c. only the structure of the fins d. whether a lateral line system was present 5. A key derived character of sharks and rays that distinguishes them from ray-finned fishes is a. calcified (hard) bones. b. jaws and a swim bladder. c. vertebrae. d. a skeleton made of cartilage 6. Which animals are ectothermic? a. turtles and lizards b. birds and mammals c. lizards and birds d. frogs and mammals 7. Which animals are ectothermic? a. turtles and lizards b. birds and mammals c. lizards and birds d. frogs and mammals 8. Which of the following statements best summarizes the difference between ectothermic and endothermic organisms? a. Ectotherms absorb external heat, but endotherms use metabolic heat to maintain a warm, steady body temperature. b. Ectotherms are warm-blooded, but endotherms are cold-blooded. c. Endotherms are warm-blooded, but ectotherms are cold-blooded. d. Endotherms control their temperature, but ectotherms have no control over their temperature.

Reference no: EM1396438

Questions Cloud

Does captain hook have recourse : Burger Prince then ran advertisements saying which its pure beef burgers were better than the Captain Hook's burgers which used filler. Does Captain Hook have recourse also illustrate what is the likely outcome?

Test statistic and critical values : Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1% (indicate which test you are performing; show the hypotheses, the test statistic and the critical values and mention whether one-tailed or..

Population of people with diabetes-health promotion program : n 1-2 pages, describe, based on target population of people with diabetes being used to set up health promotion program, who would you wish to select as potential "leaders".

Elucidate ethical behaviour in the workplace : The Black Hole video is about ethics. Ethics can have a big influence on decision making in the workplace. Ethical behaviour in the workplace is behaviour which is accepted as morally "right," rather than "wrong."

Which animals are ectothermic : 1. The duck-billed platypus and other monotremes differ from other mammals in that they? a. are aquatic. b. have mammary glands. c. lay eggs. d. have hair.

Foods that are products of microbial fermentations : What are some foods that are products of microbial fermentations? Provide three examples involving three different starting materials and microorganisms.

Difference between accounting profit and economic profit : Explain the difference between accounting profit and economic profit. Include discussion of the distinction between explicit and implicit costs and how they relate to economic cost and opportunity cost.

Determine the mean if all account balances is significant : A sample of 81 account balances of a credit company showed an average balance of $1,200 with a sample standard deviation of $126. You want to determine if the mean of all account balances is significantly different from $1,250. Use a .05 level of ..

What ability to repel territory intruders is increased : A new dominant mutation occurs in a population of red-winged blackbirds that triples the size of the red shoulder patch in males. Individuals expressing the new mutation are far more conspicuous to predators and this causes their survival to be re..

User Account

All Pages