Unit #4 Quiz #3
Grade:«grade»
Subject:«subject»
Date:«date»
1 Which of the following is NOT a characteristic of an invasive species:
A rapid growth
B successful exploitation of a single food source
C high rates of reproduction
D a high tolerance for a wide range of environmental conditions
2 The following is a:
A medusa
B porifera
C polyp
D sea star
3 All of the following are true about nematocysts, EXCEPT:
A thigmoreceptors & chemoreceptors must be triggered in order for the nematocyst to fire
B nematocysts contain a nucleus
C independent nematocysts can fire & refire rapidly
D they are found within the tentacles of anemones
4 Which of the following parts of a porifera is responsible for drawing water into the atrium (central cavity):
A oscula (osculum)
B amoebocyte
C choanocyte
D spongin
5 A hydrostatic skeleton requires all of the following EXCEPT:
A a fluid-filled cavity
B helical/circular muscles
C a gastrovascular cavity (GVC)
D longitudinal muscles
6 Which of the following is part of the digestive system for a cnidarian:
A
BC
D
7 Cnidarians are polymorphic. Their two different stages are called:
A Asexual and hermaphroditic
B Asexual and sexual
C Polyp and medusa
D Polyp and asexual
8 Porifera best demonstrates which of the following types of symmetry:
A Radial
B Bilateral
C Angular
D Translational
9 Which of the following is an example of mutualism within Porifera (sponges):
A Humans studying the toxins secreted to form antibiotics
B Small fish living within the sponge while protecting it from other fish
C Humans studying the Porifera (sponge) for their resistance to cancer
D Porifera reproducing within themselves to form offspring
10An example of hermaphroditic reproduction would be:
A A Platyhelminthes tearing itself in two on a sharp object and then regenerating into two organisms
B A star fish being cut in half by a fisherman and regenerating once tossed back into the water
C Two medusas releasing sperm and egg and those gametes intermingling and forming offspring
D A Porifera releasing sperm and egg and those gametes intermingling and forming offspring
11 Detrivores get their energy from:
A Using photosynthesis to create glucose
B Consuming living organisms to create ATP
C Using chemical, such as heavy metals, to create energy
D Consuming dead tissue to create ATP
12 Amebocytes help digest food and diffuse the nutrients to which of the following types of organisms:
A Choanocytes
B Porifera
C Echinoderms
D Cnidaria
13 You are in a submersible below 100 meters within the twilight zone. Which of the following colors would you only be able to see if you shined a spotlight/flashlight on something of that color:
A Blue
B Ultra-violet
C Red
D Green
14 Which of the following is FALSE when considering global freshwater:
A It covers around 1% of the planet’s surface
B It contains more biodiverse species than can be found in saltwater
C The concentration of dissolved salts within freshwater is less than 1%
D Glaciers, rivers, wells, and aquifers are all examples of freshwater
15 All of the following are true about cnidarian polyps, EXCEPT:
A coral polyps are sessile
B anemone polyps are generally sessile
C tentacles are found around the mouth of polyps
D polyps lack a gastrovascular cavity
16 All of the following are nektonic EXCEPT:
A Dolphin
B Perch
C Sting ray
D Sea Urchin
17 Which of the following is NOT a zone found in the open ocean
A Epilimnion
B Euphotic
C Hadal
D Abyssopelagic
18 When a porifera is stressed it will form a ________ in an attempt to keep its offspring alive.
A spore
B gemmule
C capsid
D cyst
19 Swamps, bogs, lakes, and ponds are considered:
A Lentic
B Lotic
C Wetlands
D Estuaries
20 Which of the following colors travels the deepest into the ocean:
A ultra-violet light
B red light
C green light
D blue light