Answer the following question given this paragraph: Mollusks have ventral nerve cords. The tissue beneath the shell is called the mantle. The mantle cavity contains hemolymph. Figure 15.33 Which of the following statements about common features of chordates is true? a. The dorsal hollow nerve cord is part of the chordate central nervous system. In vertebrate fishes, the pharyngeal slits become the gills. Humans are not chordates because humans do not have a tail. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column. Q: What is the tissue beneath a mollusks' shell called? Choices: - cartilage - skin - mucous - mantle A:
mantle
Answer the following question given this paragraph: Food is chemical energy stored in organic molecules. Q: Food is chemical energy stored in what? Choices: - typical molecules - oxygen molecules - DNA molecules - organic molecules A:
organic molecules
Q: Answer the following question given this paragraph: Not getting enough minerals can cause health problems. For example, not getting enough calcium may cause osteoporosis. This is a disease in which the bones become porous so they break easily. Getting too much of some minerals can also cause health problems. Many people get too much sodium. Sodium is added to most packaged foods. People often add more sodium to their food by using table salt. Too much sodium has been linked to high blood pressure in some people. Q: Not getting enough calcium may cause what health problem? Choices: - blindness - arthritis - diabetes - osteoporosis A:
A: osteoporosis
Question: Answer the following question given this paragraph: Birds need a light-weight body in order to stay aloft. Even so, flying is hard work, and flight muscles need a constant supply of oxygen- and nutrient-rich blood. The organ systems of birds are adapted to meet these needs. Q: Why do birds need a light-weight body? Choices: - for cooling - water flotation - food shortages - to stay aloft A:
Answer: to stay aloft
*Question*
Answer the following question given this paragraph: Bacteria are the most abundant living things on Earth. They live in almost all environments. They are found in the air, ocean, soil, and intestines of animals. They are even found in rocks deep below Earth's surface. Any surface that has not been sterilized is likely to be covered with bacteria. The total number of bacteria in the world is amazing. It's estimated to be about 5 million trillion trillion. If you write that number in digits, it has 30 zeroes!. Q: What is the most abundant living thing on earth that can be found in almost any environment? Choices: - pests - viruses - pathogens - bacteria A:
**Answer**
bacteria
(Q).
Answer the following question given this paragraph: Subphylum Myriapoda includes arthropods with legs that may vary in number from 10 to 750. This subphylum includes 13,000 species; the most commonly found examples are millipedes and centipedes. All myriapods are terrestrial animals and prefer a humid environment (Figure 15.21). Q: Millipedes and centipedes are the most commonly found examples of what group of arthropods? Choices: - unicellular myriapoda - Disperse Myriapoda - protists myriapoda - subphylum myriapoda A:
(A).
subphylum myriapoda