ID: ? ogether because they have all of the following except A An external shell
ID: 273081 • Letter: I
Question
ID: ? ogether because they have all of the following except A An external shell B. Soft body mass C Head and foot 33. What is the difference between a shorebind and a seabird? have more adaptations for life at sea. B. S C. Shorebirds tend to have long, narrow beaks for burrowing in the or to have wings that are better adapted for flying or gliding with itle effort 34. Fish have acirculatory system A open-loop ?.fourpwt ?.closed-loop 35. The largest living animal on Eath is the... A. humpback whale B. honey fangus C bloe whale What is the purpose of a marine bird having dark feathers on its back, and light feathers on its belly? 36. A. For camouflage against other predators and their prey B. Darker feathers help them fly faster. C. To help them regulate their body temperature during the winter. 37. Which of the following describes organisms that live in sandy ecosystems? A Sandy ecosystems usually have higher biodiversity than other habitats. Organisms living in the different zones of a beach must have adaptations in order to survive conditions for those areas. Few organisms in sandy ecosystems survive by burrowing. B. C. D. All of the above are correct 38. Most fish reproduce A. by external fertilization B. hermaphroditically C. with claspers 39. What is an artificial lake, often formed when water collects behind a dam? A. floodway B. reservoir ?.leveeExplanation / Answer
32- correct option is c). All the mollusks have a soft body and a mantle but not all of them have a head or a foot. For example, neomeniomorpha.
33- correct option is c) shorebirds have long beaks for easy prey catching from the shores
34- correct option is c). Fishes have a closed circulatory system composed of a two-chambered heart, blood and capillaries
35- correct option is c). The blue whale is undebatable largest animal on earth. It is a mammal.
36- correct option is c). The dark color of the feather is due to oil which helps them in maintaining their body temperature.
37- correct option is c). The burrowing behavior helps organisms to escape the heat during the day and thus, they burrow.
38- correct option is a). Most fishes reproduce by external fertilization. female lay their eggs near the shore and male release sperms over the egg or in water for fertilization.
39- correct option is b). The reservoir is an artificial lake, the levee is a natural lake.