生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
-
multiple - choice question what are different traits within a populatio…
Different variations of specific genes within a population
-
the diagram below shows the seasons that our planet earth undergoes for…
Moving counter - clockwise from the Autumnal Equinox: Winter Solstice, Vernal Equinox, Summer Solstice.
-
how is biological evolution different than common usage for the term ev…
Biological evolution refers to the change in a population's inherited traits over generations.
-
meteorologists are scientists who study... the chemical properties of l…
C. the weather
-
which bacteria caused the bubonic plague? e. coli yersinia pestis salmo…
B. Yersinia pestis
-
insurance company a claims that its customers pay less for car insuranc…
$H_0:\mu_1=\mu_2$ $H_a:\mu_1<\mu_2$
-
what objective lens should we always start with? 4x 10x 40x rewatch sub…
4x
-
multiple - choice question what focus knob do you use first to find you…
B. Course Focus
-
humans often think they are better than other species because we have b…
We are adapted to, and surviving in our environment
-
which theory about the origins of government holds that government was …
B. force theory
-
if the eyepiece magnification is 10x and the objective lens you are usi…
D. 400x
-
what is biofuel?
Biofuel is a fuel derived from biomass (organic matter) and can serve as an alternative to fossil - fuels, being renewable and often more sustainable. Examples include ethanol and…
-
true or false? humans are still evolving. true false rewatch
True
-
a compound microscope gets its name because there are three sets of len…
C. Two sets of lenses
-
which microscope would you use to see the internal structures of an org…
B. Transmission Electron Microscope (TEM)
-
multiple - choice question what would you say to someone who questions …
Both "Because not all apes became humans." and "Because apes and humans share a common ancestor that was neither modern ape nor modern human." are correct.
-
note: please make sure to properly format your answers. all dollar figu…
=AVERAGE(B2,C2,E2,F2) ### b.
-
which of the following did ukrainian immigrant clara lemlich accomplish…
D. better working conditions for female garment workers in New York City (Note: Assuming the options are labeled A, B, C, D in order, the correct option is the one about better wo…
-
select the correct answer. when an antigen attacks the body, it activat…
A. the ability to remember the antigen it encounters
-
4. part b: which detail from the text supports the answer to part a? a.…
B. "e - mails, the Internet, and cell phones." (Paragraph 20)
-
organ where lymphocytes are synthesized, developed, and matured; organ …
- red bone marrow $ ightarrow$ organ where lymphocytes are synthesized, developed, and matured - thymus $ ightarrow$ organ where a special lymphocyte that aids the immune system i…
-
question 13 (6.67 points) naturalis historiae (natural history) was wri…
True ### Question 14
-
when there is a cut in the skin and bacteria enter the body, the immune…
B. the phagocytotic barrier, which is a part of innate immunity
-
select the correct answer. which type of tissue performs the role of si…
D. nervous tissue
-
titled \the importance of exercise\ that has information about how much…
D. Playing fetch and taking daily walks are excellent ways to help a puppy release energy.
-
titled \the importance of exercise\ that has information about how much…
The sentence that should be included is: Playing fetch and taking daily walks are excellent ways to help a puppy release energy.
-
select the correct answer from each drop-down menu. compared to its sur…
First drop - down: hypotonic Second drop - down: active transport (assuming the second drop - down has options related to transport types like active transport, passive transport …
-
question 4 (6.67 points) maize (corn) began to be domesticated about 90…
True ### Question 5
-
what helps cells to maintain homeostasis? a. connective tissue b. hormo…
B. Hormones
-
la declaración de independencia cuando en el curso de los acontecimient…
- Identifican a personas que apoyaron la rebelión - Identifican a quienes se pusieron del lado de los británicos
-
select the correct answer. which sentence supports the statement that c…
A. Human liver cells make proteins that promote homeostasis that neurons do not.
-
match each essay topic to the correct informational text structure. (2 …
- "to examine similarities between two types of building materials" → compare and contrast - "to present the conflicts created by building a new superhighway" → problem and soluti…
-
declaración de independencia cuando en el curso de los acontecimientos …
A. Atrae a los lectores al argumento y establece que las ideas se aplican a la sociedad (Nota: Si la tercera opción (no mostrada completamente) se refiriera a "justificar la separ…
-
declaración de independencia cuando en el curso de los acontecimientos …
- El rey ha impuesto impuestos sin el consentimiento de los colonos. - El rey se ha negado a aprobar leyes que ayuden a los colonos.
-
select the correct answer from each drop-down menu. neurons and muscle …
movement
-
select the correct answer from each drop-down menu. neurons and muscle …
First drop - down: genetic makeup (For the second part about muscle cell function, a common function is muscle contraction (to enable movement, maintain posture, etc.). But since …
-
question 22 which two statements best identify the central ideas of the…
A. Auditory and visual distractions reduce a person’s ability to concentrate on a task. D. Students should limit external distractions in order to benefit the most from their stud…
-
an amoeba is a single-celled organism that feeds on algae, plant cells,…
B. endocytosis
-
question 21 which two statements best identify the author’s primary pur…
C. to determine how much pumas need to hunt to survive, D. to better understand humans’ impact on a top predator
-
hemoglobin is a protein that binds to oxygen. it is only produced by re…
D. The proteins produced by cells have structures that are related to their function.
-
question 20 according to the article, what are two ways in which the pr…
B. Pumas eat fewer deer in areas where humans are present. E. Pumas leave their kill when humans are present and return at night to eat. (Note: The correct answers would depend on…
-
select the correct answer. which sentence supports the statement that c…
A. Human liver cells make proteins that promote homeostasis that neurons do not.
-
which quotation from the article provides an example of the cascading e…
C. "Pumas that are afraid of humans but still hunt in residential areas alter their relationship with deer, their primary prey. Greater preying on deer could possibly provide more…
-
which observation best characterizes a study on pumas interactions or b…
D. They tracked pumas' nighttime movements and compared them with their daytime movements using GPS collars.
-
for example, when plastic enters the ocean, sea birds may get tangled i…
B. seabirds
-
part a: which statement best identifies the central idea of the article…
B. Human expansion and disturbance of wild lands has altered pumas’ hunting habits, affecting their ecosystem.
-
what is a difference between prokaryotic and eukaryotic cells? a. proka…
C. Prokaryotic cells do not have a nucleus, but eukaryotic cells do.
-
viruses do not possess all the characteristics of life. identify those …
| Characteristics of Life Present in Viruses | Characteristics of Life Absent in Viruses | |--------------------------------------------|------------------------------------------…
-
select the correct answer. why is the nucleus considered the command ce…
A. It contains the genetic instructions for every function of the cell.
-
the plasma membrane is composed of a phospholipid bilayer with embedded…
B. allowing specific substances to flow into the cell
-
question 10 (2 points) _____ are a large class of biological, detergent…
d) phospholipids
-
question 5 2 pts the ______ period brought about awareness of new cultu…
A. Crusades
-
multiple choice question what does the top-down population control mode…
C. Predators control prey populations. (Here we assume the options are labeled A, B, C, D with A being "Food quality controls predator population size", B being "Organisms select …
-
multiple select question select all that apply which of these are ways …
C. The length of association between consumer and prey, D. Whether or not they are lethal
-
select all that apply which of the following are examples of strategies…
B. Camouflage and mimicry, C. Chemical defense, D. Armor and weaponry
-
the additional $600 that the government added to weekly unemployment be…
Drag the statement "The additional $600 that the government added to weekly unemployment benefits" to the "Incentives" box.
-
multiple choice question unlike top-down control, bottom-up control ___…
B. is influenced by abiotic factors
-
multiple select question select all that apply which of these interacti…
A. Herbivory, B. Predation, D. Parasitism
-
multiple choice question what is the term for the resemblance of a spec…
B. Mimicry
-
multiple choice question one difference between predators and parasites…
B. usually do not cause the immediate death of their prey (assuming the second option is labeled as B, if the original question had labels like A, B, C, D with the second option b…
-
fill in the blank question an adaptation that allows animals to blend i…
camouflage
-
fill in the blank question nonlethal consumption of plants describes □ …
First blank: herbivory; Second blank: predation
-
heart rate, digestion, breathing, and perspiration are all controlled b…
B. the autonomic nervous system
-
the nerves that make up the spinal cord carry commands between the ____…
A. peripheral nerves
-
the nerves of the somatic nervous system connects to which two parts of…
D. skeletal muscles and sensory receptors
-
which system consists of nerves that initiate communication? a. the cen…
D. the peripheral nervous system
-
what are the two divisions of the autonomic nervous system? a. sympathe…
C. sympathetic and parasympathetic nervous systems
-
on a personal level, the more you know about the constitution and other…
A. violated your rights
-
what are the two main components of the nervous system? a. the brain ne…
D. the central nervous system and the peripheral nervous system
-
both the sympathetic and parasympathetic divisions can be found in the …
B. autonomic
-
where is the brain located? a. in the spinal cord b. in the neck c. in …
D. in the skull
-
multiple choice question beetles and caterpillars use physical intimida…
B. Interspecific competition (assuming the options are labeled as A: Intraspecific competition, B: Interspecific competition, C: Exploitation competition)
-
which of the following is the best example of the function of the perip…
A. It connects the central nervous system to the rest of the body.
-
identify the four main divisions of the peripheral nervous system and e…
1. **Somatic Nervous System**: Controls voluntary skeletal muscle movements and relays sensory - motor information between the body and CNS. 2. **Sympathetic Nervous System (part …
-
identify and explain how the central nervous system is supported and pr…
The central nervous system (CNS, brain and spinal cord) is supported and protected as follows: 1. **Structural Protection**: Bony structures (skull for brain, vertebral column for…
-
the ______ nervous system is comprised of the brain and spinal cord. a.…
D. central
-
controlling voluntary skeletal muscles is a function of the ______ nerv…
B. somatic
-
identify the nervous system responsible for calming the body and conser…
Parasympathetic nervous system
-
name two risk factors that are typically non-modifiable.
Two typical non - modifiable risk factors are age and genetics (family history). (Other acceptable answers could be age and gender, etc.)
-
which of the following cells appear to have a \bite\ taken out of it? r…
Degmacytes
-
name and define the two types of impulses sent through the cranial and …
1. Sensory (Afferent) Impulse: Carries information from sensory receptors (like those for touch, sight, etc.) to the central nervous system (brain and spinal cord). 2. Motor (Effe…
-
hemolysis can cause an increase production of what? reticulocytes sickl…
A. reticulocytes
-
which of the following best describes the function of the sympathetic n…
B. It arouses the body and expends energy.
-
name two risk factors that are typically non-modifiable.
Two non - modifiable risk factors are age and genetics (or family history, or gender).
-
about how many neurons are in the brain? ○ 10,000 ○ 100 billion ○ 10 tr…
100 billion
-
hematocrit is the ratio of red blood cells to the plasma? true false
False
-
control of glands and the muscles of internal organs is a function of t…
D. autonomic
-
which of the following is the oxygen carrying compound found in red blo…
B. Hemoglobin
-
question 22 physical characteristics of humans are determined by genes …
False
-
click to review the online content. then answer the question(s) below, …
The nervous system can relay messages at speeds of up to around 250 miles per hour (or approximately 112 meters per second), with myelinated neurons facilitating rapid action pote…
-
why are experimental investigations the best type of scientific investi…
Experimental investigations are best for demonstrating cause - and - effect relationships because they allow the manipulation of an independent variable while controlling other va…
-
question 9 your genes affect your ______ ○ all are correct! ○ personali…
All are correct
-
which of the following cells appear to have a \bite\ taken out of it? ○…
Degmacytes
-
hemolysis can cause an increase production of what? reticulocytes sickl…
A. reticulocytes
-
hematocrit is the ratio of red blood cells to the plasma? true false
False
-
which of the following is the oxygen carrying compound found in red blo…
B. Hemoglobin
-
25. a progressive wave of frequency 20 hz and speed 0.60 m s⁻¹ is refle…
D. 0.0075 m ### Question 26
-
read the paragraph, then choose the word that best completes the senten…
D. distant
-
question 5 5 pts girls and boys differ in growth rates and patterns. tr…
A. True
-
question # 5 fill in the blank complete the following sentence. in the …
46