Practical II Saturday Fall 2024 PDF Biology

Sponges are in the phylum ______________, and have _____________ symmetry. How many germ layers do sponges have? Identify collar cells and their function. What is a spicule? What types do we see in sponges?  Cnidaria include what groups of organisms? How many germ layers do the...

Sponges are in the phylum ______________, and have _____________ symmetry. How many germ layers do sponges have? Identify collar cells and their function. What is a spicule? What types do we see in sponges?  Cnidaria include what groups of organisms? How many germ layers do they have? What type of symmetry? What is a nematocyst? How do they help in prey capture? What two phases can cnidarians exist in? What phase is shown below?  State the phylum of the organism. How many germ layers does it have? What type of symmetry does it display? What type of coelom does the organism have? Identify the cheliped, cephalothorax and antennae  Insects and crustaceans are in the phylum _______________, and have what type of coelom?  An organism which shows an alternation of generation life cycle has haploid (n) and diploid stages. The gametophyte stage is ________________ The sporophyte stage is _________________ In mosses, the dominant and prevalent stage is ____________. In ferns, the fronds are part of the ____________ stage. Pollen is ____________.  Use the terms vascular, nonvascular, seeds and flowers to describe the following plants. Mosses ________________ Ferns _________________ Gymnosperms ____________. Angiosperms ____________. 14. What type of fruit is this peach? (Simple or Complex) 15. Is it fleshy or dry  This process by which two sperm are involved in fertilization is unique to flowering plants. Sperm travels to the egg through this pollen-produced structure.  Double fertilization results in the formation of a 2n ____________________________ and a 3n ______________________________. Identify the root zones 2, 3 and 4 What is the function of root hairs? Area 5 is known as the ____________.  Identify the different root regions Is this a eudicot or monocot stem? Explain the arrangement of vascular bundles. State the two vascular tissues and the function of each Is this a tap root or fibrous root? Is this root most likely from a eudicot or a monocot?  Is this a monocot or a eudicot root? Identify the pith, cortex, epidermis, and vascular tissue  Please identify the upper and lower epidermis, spongy mesophyll, palisade mesophyll, stomata, and guard cell  Use the terms monocot or eudicot to describe the following plants. Parallel leaf veins ________________ Tap roots _________________ Flower parts in multiples of 3’s ____________.  Describe the evolution of plants. What group is gameotophyte dominated? What group has vascular tissues but no seeds? What group(s) produce micro and megaspores? Is this flower a monocot or a eudicot? Identify the structures the arrows are pointing to