100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Bio 121 Exam 1 Questions and 100% Correct Answers $8.99   Add to cart

Exam (elaborations)

Bio 121 Exam 1 Questions and 100% Correct Answers

 9 views  0 purchase
  • Course
  • BIO 121
  • Institution
  • BIO 121

What are the characteristics of life? organization, metabolism, responsiveness, growth, development, reproduction What are the levels of biological organization molecules-Organelles-cells-tissue-organs and organ systems-organisms-populations-communities-Ecosystems-The biosphere Biotic Vs. Abiotic...

[Show more]

Preview 2 out of 8  pages

  • August 13, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 121
  • BIO 121
avatar-seller
twishfrancis
Bio 121 Exam 1 Questions and 100%
Correct Answers
What are the characteristics of life? ✅organization, metabolism, responsiveness,
growth, development, reproduction

What are the levels of biological organization ✅molecules-Organelles-cells-tissue-
organs and organ systems-organisms-populations-communities-Ecosystems-The
biosphere

Biotic Vs. Abiotic ✅Biotic: living ex. animals, plants, bacteria
Abiotic: nonliving ex. rock, water, air

What is emergent property? ✅They result from the arrangement and interaction of
parts within a system

What are two characteristics that all cells share? ✅All cells are living cells and can only
come from preexisting cells, regulate its internal environment, take in/use energy,
respond to enivorment

What are three structural differences between prokaryotic and eukaryotic cells?
✅Eukaryotic cells- has nucleus, larger/ "more complex", membrane bond organelles
Prokaryotic cells- No nucleus, smaller/"Simpler", no membrane bond organelles

What is systems biology? ✅an attempt to model behavior by analyzing interactions

How do living organisms interact with their environment? ✅By adaption

Be able to distinguish between a producer, consumer and decomposer ✅Producers
are living things such as plants and bacteria that go through photosynthesis and
produce their own source of energy that gets transfered to the consumer that eats it

What are the two major processes that are part of the dynamics of ecosystems? ✅The
recycling of chemical nutrients and the flow of energy

What is DNA? What is genes? ✅DNA is genetic coding that provides master
instructions for all of cells functions

Genes are specific sequences that encode precise information in units of inheritance

Explain what is meant in the unity and diversity of life? ✅it means that plants and
animals very different from each other but they can also have very similar

, characteristics. They can work together in harmony but can become predator and prey
at the same time

What is a genome? ✅a haploid set of chromosomes in a gene or genetic material
present in a cell or organism

What is taxonomy? ✅the branch of science concerned with classification, especially of
organisms; systematics.

What are the three domains of life? Which kingdoms are included in domain eukarya?
✅There is bacteria, archea and eukarya
Eukarya consists of protists, plantae, fungi and animalia

What is evolution? What is natural selection? ✅Change over time

Survival of the fittest

natural selection was inferred by connecting two observations. What are these
observations? What are two inferences Darwin drew? ✅Observation: individual
variation -> inference: unequal reproductive success

Observation: over production of offspring -> inference: accumulation of favorable traits

What is a hypothesis? ✅A hypothesis is a statement that can be tested

What is the difference between qualitative ve and quantitative data? ✅Quantative data
has more to go down with the process of gathering information like measurements and
qualitative has to do with observations

What is a theory? ✅well-tested explanation that unifies a broad range of observations

What is a controlled experiment? ✅a test of the effect of a single variable by changing
it while keeping all other variables the same

What is an independent variable? What is a dependent variable? What are controls?
(Negative and postive) ✅Independent- manipulated
Dependent- out come of independent
Control- constant

What is artificial selection? ✅selective breeding of plants and animals to promote the
occurrence of desirable traits in offspring

What is the goal of science? What is the goal of technology? ✅To investigate and
understand the natural world

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller twishfrancis. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62890 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$8.99
  • (0)
  Add to cart