Which principle states that two species in the same habitat cannot have the same niche? Download png
Which one of the following artificial sweeteners is 30 to 40 times sweeter than aspartame? A. Stevia B. Sweet n' Low C. Neotame D. Equal
How do aerobic bacteria differ from anaerobic bacteria? a. Aerobic bacteria are poisoned by oxygen and anaerobic bacteria are not. b. Aerobic bacteria do not have mitochondria and anaerobic bacteria do. c. Aerobic bacteria use fermentation and anaerobic bacteria do not. d. Aerobic bacteria use respiration and anaerobic bacteria do not.
The two muscles that insert on the fifth phalanx or on the fifth metatarsal are the __________. the two muscles that insert on the fifth phalanx or on the fifth metatarsal are the __________. extensor digitorum longus and fibularis tertius fibularis longus and extensor hallucis longus extensor digitorum longus and fibularis longus fibularis tertius and extensor hallucis longus
Which of the following is true about the lithospheric plates? they move annually they constantly move they move occasionally they never move
A statement that can be proven by observation or measurement is known as a(n): a. opinion b. value c. fact d. belief
What is the ABO blood classification based on? a. antibody on the red blood cell b. antigen in the blood c. antigen on the red blood cell d. hemoglobin in the blood Sickle cell anemia is a condition where the red blood cells are deformed. Which is affected by sickle cell anemia? B a. healing of cuts b. transportation of oxygen c. creation of blood type d. protection against disease
During the life cycle of a plant, gametophyte is to n as sporophyte is to A. n 2 B. 2n2. C. 2n. D. n2.
All of the following contributed to speciation in Darwin's finches except a. changes in gene pools. b. geographic isolation. c. lack of competition. d. behavioral isolation.
Which idea did Lamarck propose that was rejected by his fellow scientists? A) Acquired traits can be passed to offspring. B)Organisms evolve by acquiring behaviors. C)Fossils show the behaviors of ancient species. D)Giraffes have larger gene pools than most animals.
Energy is released to be used by a cell when a phosphate group is removed from ADP to form ATP added to ADP to form ATP removed from ATP to form ADP added to ATP to form ADP
Which of these happens during the postabsorptive state? which of these happens during the postabsorptive state? glucose is broken down in the liver. fat reserves are built. blood glucose levels are maintained within an adequate range. glycogen is formed?
Which of the following could result in speciation from biogeographic isolation? the isolation of two populations of the same species the isolation of two individuals of the same species the isolation of two populations of different species the isolation of two individuals of different species
Secondary succession occurs in ecosystems without soil. Please select the best answer from the choices provided T F
The point in the Moon's orbit when it's farthest away from the Earth is called A. perigee. B. apogee. C. penumbral. D. eclipse.
Which marine habitats would have the least access to primary producers? a. salt marshes and estuaries b. coral reefs and lagoons c. mangroves and intertidal zones d. deep sea and sea floor
Which of the following statements is true about prokaryotic and eukaryotic cells? A. The larger size of prokaryotic cells indicates that they are more complex than eukaryotic cells. B.Eukaryotic cells do not contain membrane-bound organelles, while prokaryotic cells do. C. Neither type of cell contains membrane-bound organelles. D.Prokaryotic cells do not contain membrane-bound organelles, while eukaryotic cells do.
Lava flowing from volcanoes in Hawaii is basaltic magma. Please select the best answer from the choices provided T F
Nerves branch in intervals from which of the following structures in a chordate embryo? (1 point) tail pharyngeal pouches notochord hollow nerve cord
Magma that hardens vertically underneath the surface will form a sill. true or false i need two people to pick the brainliest
Bottleneck events lead to _______. a. population growth b. an increase in inbreeding c. an enrichment of dominant genetic traits d. a reduced rate of species mutation
What is true of an atom’s nucleus? It is positively charged and takes up most of the atom’s space. It is negatively charged and takes up most of the atom’s space. It is positively charged and includes most of the atom’s mass. It is negatively charged and includes most of the atom’s mass.
Which of the following is an example of microevolution? A caterpillar changes form into a butterfly. A population of birds with red feathers slowly changes to having blue feathers. A dinosaur species evolves over time into a bird species. A black cat has kittens with white spots.
Which observation proves that a cell is a eukaryote?. A)It contains DNA. B)It has DNA inside a nucleus.. C)It has a cell membrane.. D)it contains ribosomes.
The mammals whose offspring are little more than embryos are? A. Monotremes B. Marsupials C. Placentals
What is the best explanation for the process of transpiration in plants? A. It is the evaporation of water from leaf stomata, which helps in xylem transport. B. It is the condensation of water droplets on leaf surfaces, which helps in phloem transport. C. It is the property of water molecules to adhere to the xylem wall while traveling against gravity.