7. which of the following is not a characteristic of chordates
a. post-anal tail
b. dor...
Biology, 03.02.2020 02:59 mallyosburn
7. which of the following is not a characteristic of chordates
a. post-anal tail
b. dorsal hollow nerve cord
c. spinal column
d. notochord
8. in order for the exchange of oxygen and carbon dioxide to occur, an animalās respiratory surfaces must remain
a. cold c. hot
b. dry d. moist
9. a birdās instinct to fly south for the winter is an example of which type of behavior
a. learned behavior
b. habituation
c. observant conditioning
d. innate behavior
10. echinoderms are most closely related to chordates because both are
a. protostomes
b. deuterostomes
c. endotherms
d. ectotherms
11. what advantage do forward facing eyes provide primates
a. the ability to form extended social groups
b. the ability to judge the distance of branches
c. the ability to manipulate tools
d. the ability to find mates easier
12. what type of symmetry does the animal in the figure display
a. asymmetrical c. radial
b. bilateral d. multi-symmetry
13. the ability for animals to reproduce on land was primarily due to
a. lungs c. 4 limbs
b. endothermy d. amniotic eggs
14. cephalization allows animals to
a. gain information about their environment
b. escape from predators
c. attract mates
d. increases the production of offspring
15. termites can often be found with protists in their gut. the protists aid in the digestion of cellulose, which is found in the wood termites eat. what type of relationship is this
a. parasite c. mutualism
b. commensalism d. cohabitation
16. which is true about gas exchange in respiratory systems
a. gases diffuse from areas of low concentration to areas of high concentration
b. gases diffuse from areas of high concentration to areas of low concentration
c. gases diffuse equally in most situations
d. concentration has no effect on gas diffusion
17. when you use your knowledge and experience to figure out an error message on your computer, you are using
a. classical conditioning c. innate behavior
b. insight learning d. trial-and error learning
18. which of the following types of cells produce a muscle contraction
a. sensory neuron
b. interneuron
c. motor neuron
d. all neurons can stimulate muscle contraction
19. what is the function of the excretory system
a. to supply cells with oxygen and nutrients
b. to rid the body of metabolic wastes
c. the exchange oxygen and carbon dioxide with the environment
d. to break down food
20. examining the teeth of an animal can give you information about whether it
a. practices intracellular or extracellular digestion
b. is a filter feeder or a detritivore
c. is a nutritional symbiont
d. is a herbivore or carnivore
Answers: 2
Biology, 21.06.2019 23:00
What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid
Answers: 3
Biology, 22.06.2019 09:00
The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
Answers: 2
Biology, 22.06.2019 16:00
Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.
Answers: 1
History, 11.05.2021 22:50
Mathematics, 11.05.2021 22:50
Health, 11.05.2021 22:50
Mathematics, 11.05.2021 22:50
Computers and Technology, 11.05.2021 22:50
Mathematics, 11.05.2021 22:50
History, 11.05.2021 22:50
Mathematics, 11.05.2021 22:50
History, 11.05.2021 22:50
Social Studies, 11.05.2021 22:50