Bio Lab Final

Question 1

This animal has venom that is 15X stronger than rattlesnake venom. Has an hourglass- shaped mark on the abdomen.

Answer 1

Black widow spider

Question 2

This plant has is characteristic of the woodlands we saw in Bang’s canyon. It is an evergreen with small reduced scale-like leaves and blue female cones. It is commonly used to flavor gin.

Answer 2

Juniper

Question 3

This fragile organic layer is a complex of living organisms including: algae, cyanobacteria, bacteria, lichens, mosses and fungi.

Answer 3

Cryptogamic crust

Question 4

This plant has a mutually beneficial relationship with its pollinator. The plant has tough, sword-like leaves and large clusters of white flowers.

Answer 4

Yucca

Question 5

This animal is a carnivore. It is unique in that you can find them at night with a black light. It is venomous.

Answer 5

Scorpion

Question 6

This plant is characteristic of the woodlands we examined in Bang’s canyon. It relies primarily on a species of Jay to spread its edible seeds around.

Answer 6

Pinyon pine

Question 7

This plant is adapted to dry climates. It stores water in its succulent pad. Both the pad & the fruit are edible.

Answer 7

Prickly pear cactus

Question 8

This plant is an invasive grass species that spreads its seeds on the fur of animals. It can take over disturbed ground and can be a fire hazard.

Answer 8

Cheatgrass

Question 9

This is a native shrub species that we saw in both the riparian and the upland ecosystems. It has 3-tipped leaves and is very aromatic.

Answer 9

Sagebrush

Question 10

These type of organisms make their own food using the sun as an energy source.

Answer 10

Producers, autotrophs

Question 11

This plant has jointed stems with small scaly leaves. The plant is one of the first primitive plants with a vascular system. The stems are very rough with silica in them and the stems are also hollow.

Answer 11

Horsetail, scouring rush

Question 12

This plant is an invasive rounded bushy annual that breaks off at ground level and is blown around by the wind spreading its seeds everywhere. (Tumbleweed/ Russian thistle)

Answer 12

Tumbleweed, Russian thistle

Question 13

This plant is almost completely edible. You can eat the roots, leaves and seeds. It always grows it wet areas and we saw it along the Audubon trail and up in Bang’s canyon.

Answer 13

Cattails

Question 14

This tree is a non-native species. It is the 1st to produce seeds in the spring. It has a very high germination rate for its seeds. It has no native predators and grows frequently in disturbed areas.

Answer 14

Siberian elm

Question 15

This small tree is frequently found along the Colorado River. It is a non-native species. It is very tolerant to salty soils and has pink flowers and small leaves. It has no native predators but scientists have found a beetle from Asia that is currently being used as a biological control.

Answer 15

Tamarisk

Question 16

These are small round structures that are commonly found on the stems of Rabbitbrush. They contain the larvae from a species of fruit flies.

Answer 16

Galls

Question 17

This animal is nocturnal and a carnivore. It frequently occupies the old nests of Magpies.

Answer 17

Great horned owl

Question 18

This tree is dioecious. It is closely related to maple trees and you can tap it for syrup in the spring. It is a common native weedy species often found in wet areas.

Answer 18

Box elder

Question 19

What is one example of an omnivore that could be found in Bang’s canyon?

Answer 19

Bear

Question 20

This is type of system that is used at the Persigo wastewater treatment plant.

Answer 20

Conventional activated sludge system

Question 21

What term describes organisms that do not require oxygen to survive?

Answer 21

Anaerobic

Question 22

This is the amount of oxygen that is required by the micro-organisms to ensure digestion of the sludge.

Answer 22

BOD/Biological oxygen demand

Question 23

How long does it take for the water to travel from the input line to the output into Persigo Wash?

Answer 23

14 hours

Question 24

These animals are adapted to eat plants. Includes rabbits, deer and elk.

Answer 24

Herbivor

Question 25

The wastewater is pumped into this building. The waste stays here for 2 hours and 90% of the sewage is removed.

Answer 25

Primary clarifier

Question 26

The activated sludge from the final clarifiers comes here and is reduced by cannibalism.

Answer 26

Aerobic digesters

Question 27

This is the last stage in the treatment of the water. The water flows through light tubes to kill remaining organisms.

Answer 27

UV light station

Question 28

The fluid from the primary clarifiers come here. The fluid retention time is 6 hours and 8% of the waste is removed.

Answer 28

Aeration basin

Question 29

What is produced by the micro-organisms in the Anaerobic digesters as a by-product?

Answer 29

Methane

Question 30

Water is diverted into these tanks if there is too much liquid to handle at one time or if the incoming water is too toxic to be brought directly into the system.

Answer 30

Flow equalization basins

Question 31

How many gallons of water does the treatment plant handle every day?

Answer 31

8 million gallons

Question 32

What is the largest organ in the body?

Answer 32

Skin

Question 33

Which layer of the skin is the outermost? Layer that primarily protects us from injury and pathogens?

Answer 33

Epidermis

Question 34

These cells produce the pigment Melanin and protect us from UV radiation?

Answer 34

Melanocytes

Question 35

What are the most common type of cells found in the epidermis of the skin?

Answer 35

Keratinocytes

Question 36

This is a gland that produces an oily secretion called sebum. Found along the hair follicles.

Answer 36

Sebaceous gland

Question 37

These are muscles that act to lift the hair shaft upright and result in goosebumps?

Answer 37

Arrector pilli muscle

Question 38

What is the layer of the skin that provides insulation to the body and is composed of adipose cells?

Answer 38

Hypodermis