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PNB 2250 Exam 2 Study Questions and Answers | 100% Pass

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  • PNB 2250

PNB 2250 Exam 2 Study Questions and Answers | 100% Pass Animals must provide ____ (4) for food processing - Answer-.path for intake chemical & mechanical digestion reabsorption of nutrients loss of waste products Where is the fuel from food acquired? - Answer-chemical bonds energy was used t...

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  • October 7, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PNB 2250
  • PNB 2250
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EmillyCharlotte
EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024

PNB 2250 Exam 2 Study Questions and
Answers | 100% Pass

Animals must provide ____ (4) for food processing - Answer✔✔-.path for intake


chemical & mechanical digestion

reabsorption of nutrients

loss of waste products

Where is the fuel from food acquired? - Answer✔✔-chemical bonds

energy was used to make bonds, and will be released when it is broken

Homeostasis - Answer✔✔-maintenance of internal environment

Basal Metabolic Rate (BMR) - Answer✔✔-amount of energy expended when at rest

in a neutral environment, with an inactive digestive system

What role does homeostasis play in regards to food processing? - Answer✔✔-

requires constant energy input to work

helps expel waste products that are no longer needed or harmful to body

The Goku of energy sources - Answer✔✔-The Sun

Primary Energy sources - Answer✔✔-plants and animals

-must be able to detect food (sight/smell)

-bring food into space where bond energy can be recovered




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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
-treat food in a manner in which waste products can also be expelled - Answer✔✔-

Animal Requirements for food

(Three)

1) Feeding - bring food into body

2) Digestion - convert molecules into building blocks

3) Nutrition = absorb needed organic molecules and ions

4) Waste Loss - expel nitrogen, acid, bacteria, etc. - Answer✔✔-Food Processing

Steps (4)

breakdown of complex molecules in living organisms to form simpler ones, together with

the release of energy

"destructive metabolism" - Answer✔✔-Catabolism

Energy cannot be created or destroyed, only changes form - Answer✔✔-2nd Law of

Thermodynamics

size, shape, complexity (bond number) - Answer✔✔-What food properties can affect

feeding habits?

Ability to carry out Oxidative Phosphorylation - Answer✔✔-Most efficient extraction of

energy from photosynthesis

water with food is strained over gills or other structures to remove food - Answer✔✔-

Filter Feeding

How is filter feeding an example of ecosystem engineering? - Answer✔✔-helps clarify

oceans


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