The echinoderm blood vascular (hemal) system is involved in which of the following (can be more than one) gas transport nutrient transport extending tube feet (podia) None of the above.
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The echinoderm blood vascular (hemal) system is involved in which of the following (can be more than one)
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- The haemal system (BVS) of echinoderms functions in part to transfer nutrients. Group of answer choices True FalseA jar has 2 amoebas in it. Amoeba splits into two and double its size once every second. The jar will be completely filled in 20 seconds. How long would it take to fill the jar if it had 8 amoebas in it? true/false 1. Siphonaptera has a laterally flattened body. 2. Sawflies have crochets on their prolegs. 3. Spruce Beetle (Dendroctonus rufipennis) is generally attracted to weakened or recently dead trees, and carries blue stain fungi. 4. Geometridae larvae have only 2 or 3 pairs of prolegs.
- This bacteria has the shape of a comma________________________ Blood pressure in humans is measured using a_____________________________________ This theory states that water is drawn from the roots by the loss of water at leaves__________________________________________ One of the most critical adaptations of the reptiles in relation to their life on land is the development of the_______________________egg.when Tiktaalik crawled out onto land, it made a transition that is similar to an _____ evolving into a primitive _______. A. Chondrichthyes, Agnatha B. Agnatha, Amphibia C. Chondrichthyes, Amphibia D. Reptile, Mammalia Pick the couplet that best completes the following sentence. Endosperm is sterile due to a double fertilization event. This process occurs in _____ which helps to feed humans all over the planet and result in a _____ tissue which makes it sterile. A. Ferns, Haploid B. Orchids, Triploid C. Grasses, Haploid D.Grasses, Triploid.Label the parts of cross section of the Planaria. Study the cross section of the Planaria. Note the large muscular pharynx that lies within a space called the buccal cavity. During feeding, the pharynx can be everted through the mouth and used to suck up fluids and soft tissue from captured prey. Two branches of the extensive gastrovascular cavity can also be seen. This cavity is lined with large, vacuolated cells that comprise the gastrodermis. On the outside of the flatworm is a ciliated epidermis that contains many gland cells as well as dark-staining rod-shaped bodies called rhabdites that can discharge their contents to form a protective mucous layer around the body. Lacking a body cavity, the space between the gut and epidermis in these acoelomates is filled with a meshwork of mesodermal parenchyma as well as muscle fibers that run circularly, longitudinally and diagonally
- Give the name of the families of each of the following:a. Camelliasb. Chocolatec. Cottond. Violetse. Pumpkins and watermelonsf. Cranberries and blueberriesFill in the spaces with one of the following terms: haploid, diploid or dikaryotic: The gills of a mushroom are _______________ . When the mushroom is first formed, a basidium is _______________ . Following karyogamy, a basidium is _______________.The basidium then undergoes meiosis, which produces _______________ spores.The rhynchocoel is a ________. a. circulatory system b. fluid-filled cavity c. primitive excretory system d. proboscis
- the lancelet has bilateral symmetry and no brain.Briefly explain the importance to agriculture for the following insects: 1.Tagosodes orizicolus 2.Atta cephalotes 3.Gryllotalpa spp. 4.Schistocerca americana 5.Cylas formicarius 6.Epitrix spp. 7.Coccinella septempunctata 8.Thrips palmi 9.Corcyra cephalonica 10.Brassolis sophoraeCompose the characteristics of dandelions or horsetail. (Choose one) 1. Movement 2. Respiration 3. Sensitivity 4. Growth 5. Reproduction 6. Nutrition 7. Excretion
