Bio 112 exam - Study guides, Class notes & Summaries

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 l...

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 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...

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 ...

Amensalism -/0 interactions - : one species is harmed while the other is unaffected Tend to be more accidental than other relationships Example: a herd of elephants that crushes plants and insects while moving through a forest . Commensalism +/0 interaction: - one species benefits while the other is unaffected Brown-headed cowbirds follow grazing cattle and bison, foraging on insects flushed from the vegetation. Cattle convert plants into dung, which dung beetles can use. Dung beetles dispe...

Conjugation - Answer-DNA from a donor cell is transferred to an adjacent recipient cell Transformation - Answer-DNA released into the environment by dead cells is taken up by a recipient cell Transduction - Answer-DNA is transferred from a donor to a recipient cell by a virus Three domains - Answer-Eukarya Archaea Bacteria Eukarya and Archaea are more closely related Archaeon Enviornments - Answer-Many archaea are extrelmeophiles carbon fixation and respiration - Answer-Bacteria and arch...

How many nasal conchae are there in the nasal cavity? - Three What is another name for the nasal conchae? - Turbinate bones What is the function of the nasal conchae? - Produce turbulence in inhaled air How many passages are formed by the nasal conchae, partitioning the nasal cavity? - Three

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 Exam 5 / Bio 112 Exam 5 2 questions and correctly written answers well explained year 2024 / 2025 graded A+

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