Bio 112 - Study guides, Class notes & Summaries

The study of how organisms interact with one another and with their nonliving environment is - ecology In a deciduous oak forest in the northeastern United States, one example of a nonliving component of the ecosystem is - sunlight that filters through the canopy A population grows exponentially when - the birth rate exceeds the death rate and immigration exceeds emigration. The different species within an ecosystem that interact in various ways make up a(n) - community All members o...

Which of the following is an incorrect match of structure and function? Cnidocyte - capturing prey Parapodia - defense from enemies Radula - obtaining food Mantle - secretes the shell Chelicerae - consuming food - Parapodia - defense from enemies (gas exchange, locomotion, protection) In a cnidarian life cycle, -Medusae have gonads and produce gametes -Polyps bud off from other polyps -Medusae bud off from polyps -Polyps grow from ciliated larvae - All of the above ...

BIO 112 ASU Final Exam Questions and Answers Already Passed Natural selection: Basic requirement for natural selection to occur in a population: organisms in the same population must differ from one another in their heritable traits. Examples of natural selection and evolution at work include which of the following? -The case of the bacteria Staphylococcus aureus resistance to first penicillin, then methicillin, and now vancomycin. -Housefly resistance to DDT within a decade of its ...

Which of the following are examples of biotic factors that could impact a living organism (for the organism in parenthesis)? Choose all that apply. At least one is correct. A. When a plant in the forest is outcompeted by a more shade-tolerant species. (for the shade-sensitive plant) Correct Answer When a human provides a home to 10^11 bacteria in their gut (for the bacteria) B. When a human provides a home to 10^11 bacteria in their gut (for the bacteria) C.When a plant's growth is...

What does the cell theory state? - 1. all organisms are made up of cells 2. cells are the basic units of structure and function in organisms 3. cells come only from preexisting cells because cells are self-reproducing All cells include what 4 things? - 1. DNA 2. Cell membrane 3. Cytoplasm 4. Ribosomes What is the central dogma? - It's the basic flow of information in a cell, it's the two step process of transcription and translation by which information in the genes flow into prote...

The stage of T4 replication that involves the protein fibers on the phage and receptors on the bacterial cell wall is the - attachment stage. The stage of T4 replication that involves the injection of phage DNA is the - penetration stage. The stage of T4 replication that involves the copying of the phage DNA and the synthesis of various phage proteins is the - transcription stage.

Most of human genetic variation concerns external physical features. T or F? - ️️False It concerns any trait (phenotype) which can be other non-external physical features like your susceptibility to a disease, your intelligence, personality, etc. Phenotype is defined as the physical appearance of an organism. T or F? Examples of phenotypes NOT about physical appearance? - ️️False 1. intelligence 2. certain diseases (like sickle cell disease) 3. certain behaviors (i.e mean or nice...

BIO 112 Final- ULL UPDATED Actual Exam Questions and CORRECT Answers Replicates - CORRECT ANSWER- The number of times an experiment is performed Hypothesis - CORRECT ANSWER- an answer to a question Controlled Variables - CORRECT ANSWER- conditions or events that could bias an experiment Type 1 error - CORRECT ANSWER- Two means that are determined to be different, when they are really the same

Characteristics of living things - - Are made of more than one cell - Hierarchical Organization (organelles biosphere - Reproduces - Grows and develops - Obtain and uses energy - Responds to their environment What is evolution - 1. The process in which species change 2. Any change in the frequency of an allele in a population's gene pool 3. Property of a population not an individual