Bio lab midterm

pines

"Wings" on the pollen shown help you to identify it as _____________ pollen.

Microsporangium.

Microspores of ferns are contained in what structure?

bryophytes

Mosses are

amoeba

What is this?

pteridophytes

ferns are

every other kingdom

Eukaryotes

parts of the flower

Know the parts of a flower

Heterotrophs

Known as consumers. It is an organism that does not make its own food. Includes animals.,fungi, most protozoa, and most bacteria

Trichonympha

Name the flagellate that lives symbiotically with termites and aids in cellulose digestion.

eukaryotic multicellular autotrophic

Plants are a diverse group that can be described as ______________.

paramecium, cilia

What is this type of bacteria and locomotion?

euglena

What is this?

meiosis

What takes place in the capsule of Marchantia spp.?

Bacilli (rod-shaped)

What type of bacteria is this?

cyanobacteria

Which bacteria are important in the production of oxygen?

condenser

Which of the following components of the compound microscope is used to focus light on the specimen?

enclosed seed

angiosperms are

naked seed

gymnosperms are

monocot

one cotyledon, fibrous roots, scattered vascular , parallel veins, multiples of 3

paramecium

what is this?

autotrophs

Known as producers. It is an organism that produces its own food. Includes plants, algae, some bacteria, and phytoplankton

cannot transport nutrients

Nonvascular plants are generally low to the ground because they ______________.

Liverworts. True mosses. Hornworts.

Nonvascular plants include which of the following?

moist and shady

Nonvascular plants such a hornworts usually live in a ______________ environment.

pistils and stamen

A dandelion flower is perfect, meaning it possesses which of the following?

fruit

A structure derived from the ovary of a plant and its accessory tissue is a ______________.

petioles leaves roots flowers

A vegetable is an edible part of a plant derived from ______________.

•Their cell wall and cell membrane composition is different. •Archaea have histone proteins in their DNA, similar to eukaryotes. •Archaea survive in extreme temperatures and conditions. •There are no described pathogenic archaea.

Archea vs Bacteria

Clean the oil off of the oil-immersion objective carefully. Start by focusing on the low objective and moving up gradually to the oil-immersion lens. Only use the fine adjustment knob when focusing the oil-immersion lens.

Care must be taken using the oil-immersion objective. Which of the following steps are essential to care properly for this objective?

cell wall

Gram stain is a laboratory technique used to distinguish between various kinds of bacteria based on the characteristics of the ______________.

purple

Gram-positive bacteria stain ______________.

the fern has produced spores

If you see a fern with brown spots on the underside of the frond, you can conclude that ______________.

rainwater

In liverworts, what typically transports sperm cells of the antheridiophore to the archegonium single egg?

Extremely hot/cold. Digestive system of humans/animals. Deep underground.

In what types of environments do bacteria live?

archea and bacteria

Prokaryotes

autotrophs heterotrophs parasites

Protists can function in the environment as ______________.

Bacilli

Rod-shaped bacteria are known as ______________.

Psuedopodia

The amoeba uses ______________ to capture food.

working

The distance between the objective lens and the specimen is called the ______ distance.

ability to grow to great heights

The lignin in vascular plants is responsible for what plant characteristic?

stage

The microscope platform upon which specimen slides are placed is called the ________.

angiosperms

The most diverse group of plants is the ______________

eyepieces

The parts of the microscope through which you view the specimen are called

iris diaphragm

To change the amount of light entering the objective lens, you would adjust the ________.

mature on the surface of a cone scale

Unlike the seeds of angiosperms, the seeds of gymnosperms ______________

no eating or drinking, wear safety gear, report accidents, do not pipette by mouth, know emergency procedures, do not play around with chemicals

What are some lab safety rules?

Number of cotyledons. Venation of leaves. Arrangement of vascular bundles.

What differentiates dicots from monocots?

ameoba, pseudopods

What is this type of bacteria and locomotion?

euglena, flagella

What is this type of bacteria and locomotion?

Cocci (spherical)

What type of bacteria is this?

Spirilli (spiral-shaped)

What type of bacteria is this?

sporophyte

When a seed of the conifer germinates, it develops into a ______________.

HPD = ​[LPD × LPM]/HPM

Which formula would you use to determine the diameter of the field of view for the high-power objective?

Compound light microscope.

Which of the following microscopes will we be using to view prepared slides in Bio 2?

to the left

While looking at a specimen under a microscope, you move the slide to the right. In which direction does the image move?

450x

You are looking at a specimen through a high-power objective with a magnification of 45×, and the ocular has a magnification of 10×. What is the total magnification?

the amount of light decreases

You are looking at a specimen under low power, and you switch to the high-power objective. Which of the following happens?

moss reproductive cycle

gametophyte dominant, male is antheridium and female is archegonium

Dicot

two cotyledons, tap roots, ringed vascular, net like vein leaves, 4 or 5

pine pollen

what is this

volvox

what is this?

purple: positive red: negative

which bacteria is gram positive and which one is gram negative ?

Nonvascular plants

•Lack tissues that transport water and nutrients throughout the body •Lack true roots, stems, and leaves •Low to the ground, in a moist, shady environment •Rely on rainwater to transport gametes •Liverworts, hornworts, and true mosses

Termite Trichonympha

•Mutualistic relationship •Trichonympha convert cellulose in wood into starches and sugars that the termite can use as nutrients • In exchange, these organisms benefit from a continuous supply of energy-rich cellulose and a suitable environment in which to live

Vascular plants

•Seedless vascular plants - club mosses and ferns •Seeded vascular plants - gymnosperms and angiosperms