Jesus is Lord: Biology Semester 1 Finals Prep

Thank you Jesus!

2.2

Incisors

help animals snip or cut

Canines

helps animals tear meat

Premolars & Molars

help grind tough materials

Small Intestine(color red)

nutrient absorption

Large Intestine(color Green)

water reabsoprtion

Cecum(color Blue)

Houses Bacteria that helps break down cellulose(fiber)

2.3

glucose, glycogen, cellulose

Carbohydrate

made of N, C, H, and O

Proteins

monomers=fatty acids & glycerol

Lipid

made of mostly C & H in long chains

Lipid

important in biological membranes

Lipid

used for quick access energy

Carbohydrates

found in the diet of herbivores

Carbohydrates and Proteins

monomers=amino acids

Protein

used to build structures carry out functions in the body

Protein

monomer=monosaccharide

Carbohydrate

made of carbon, hydrogen, and oxygen

Carbohydrate and Lipid

(ex) fats, oils, and waxes

Lipids

(ex) muscle, fur, collagen, cell transport molecules

Protein

found in the diet of carnivores

Protein + Lipid

Role of Bacteria in Nitrogen Cycle

Perform nitrogen fixation, ammonification, nitrification, and dentrification

Why are populations of top carnivores such as hawks always smaller than populations of herbivores?

The energy loss of 10% at each trophic level

What is the definition of an abiotic factor?

Non-living part of an environment that affects living organisms ex:

Sunlight, water, temperature, and soil

What is the definition of a biotic factor?

A living part of an environment that affects other organisms ex:

plants, animals, fungi, or bacteria

Why might a population decrease after reaching it's carrying capacity? State whether this is an abiotic or biotic factor

Reason: Less food available causing starvation. Biotic factor because it involves living things-food competition

Why might a population exceed it's carrying capacity?

Abundant resources for a time-food,water, or shelter may temporarily increase, allowing population to go beyond it's natural limitations.

Define the term "fitness"

The organisms' ability to survive and reproduce

In the competitive exclusion principle, why can't two species occupy the same niche at the same time?

Two species can't occupy the same niche at the same time because one will outcompete the other

Photosynthesis/Cellular Respiration formula

Photosynthesis: 6CO2​+6H2​O+light energy→C6​H12​O6​+6O2​

Cellular Resp: C6​H12​O6​+6O2​→6CO2​+6H2​O+energy (ATP)