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- Vertebrates became successful in relatively dry environments due to what characteristic? the ability to maintain a constant body temperature the shelled, amniotic egg a four-chambered heart two pairs of appendagesAnimal that swim weakly or drift in waterPlankton can be divided into three groups: phytoplankton, ultraplankton, and nekton. True False
- Why is evaporation important for many intertidal animals? In which intertidal animals is evaporation important?Which phylum of animals has a water vascular system connected to tube feet? Chordata Echinodermata Arthropoda PlatyhelminthesDue to human activities more carbon dioxide (CO2) is dissolving into the air, the ocean takes up more CO2 and becomes increasingly acidic. Increased ocean acidity makes it more difficult for marine animals to produce their calcium-rich hard parts. Explain three types of invertebrates that are likely to be adversely affected by an increase in ocean acidity.
- What is the lifestyle of the organism (ammonite) in the photo? (Select all that apply)(Hint: Ammonites are cephalopods which have a structure called a siphuncle which is capable of regulating buoyancy of their shell by removing water from or flooding chambers in the shell. Ammonites also had tentacles like modern squid.) Pelagic, planktonic Vagrant Sessile Benthic, infaunal Pelagic, nektonic Benthic, epifaunalAnimals are eukaryotic with no cell wall and ingest their food. True FalseWhich is found in the exoskeletons of crustaceans?
- As human activities put more and more carbon dioxide (CO2) into the air, the ocean takes up more CO2 and becomes increasingly acidic. Increased ocean acidity makes it more difficult for marine animals to produce their calcium-rich hard parts. List three types of invertebrates that are likely to be adversely affected by an increase in ocean acidity.The diagram represents a paramecium. Which structure is used for locomotion? O Y O W O ZBarnacles are crustaceans that live in the ocean. Barnacle larvae are motile and secrete a sticky substance that allows them to attach to a suitable substrate. As they mature into sedentary adults, they secrete layers of calcium carbonate that serve as a protective covering. Some barnacles have been known to attach to the sides of whales. This benefits the barnacles in that they are constantly transported to locations with new sources of food. The whales neither benefit nor are harmed by the presence of barnacles. Barnacles follow r selection strategies. How would the interaction between barnacles and whales be described? a) Commensalism b) Competition c) Mutualism d) Parasitism