Select the correct answer. For lunch. Kesia eats a piece of salmon with garlic butter. Which statement is true about her meal? A. It's very high in fiber. B. It's low in protein. C. It's low in carbohydrates D. It contains no vitamin B12 E. It contains no iron.
Which organisms are heterotrophs? photosynthesizers producers consumers plants
Maggots feed on dead and decaying organisms for energy. What are maggots? autotrophs producers decomposers heterotrophs
A mother has one allele for color blindness and one allele for normal vision. What is the probability that her gamete will have the allele for color blindness? A. 0% B. 50% C. 75% D. 25%
Which substance is considered a.building block for all living things? hydrogen glucose carbon protein
Which action is accomplished by the hormone progesterone?Select all that apply.One, some, or all responses may be correct. Inhibits uterine activity Stimulates sodium secretion Maintains the endometrium for implantation Promotes the development of striae gravidarum Stimulates the milk ejection reflex during breastfeeding Promotes development of the secretory ducts of the breasts for lactation
Which limiting factor would increase the monkey population in the pictured ecosystem? Decrease in vegetation Increased death rate of leopards Increased birth rate of leopards Decreased birth rate of zebras
Cell membranes are primarily made of a component that contains fatty acids. This component is most likely a... __ carbohydrate. protein. nucleic acid. lipid.
Goblet cells, salivary glands, sweat glands , oil glands, liver,pancreas, and lacrimal Iglands are all structures of the endocrine system the exocrine system. the respiratory system. the immune system.
Examine the words. impulse presynaptic cell , neurotransmitters , receptors postsynaptic : cell What idea can be described using all the words listed? the difference between the somatic and autonomic ; nervous systems the transfer of information from one neuron to another the difference between the central and peripheral ne us systems nervous the flow of information within a neuron
Different forms of a gene controlling a particular trait are called - alleles hybrids punnetts zygotes
How can scientists use comparative anatomy? A. to understand the size between organisms B. to understand the climate in which organisms live C. to understand evolutionary relationships between organisms D. to understand the food chain order of organisms
7. Explain what the results show about the flow of energy in an ecosystem.
Where do you put the parents' genotypes when you're doing a Punnett Square? Inside the box Outside the box on the top and left
Which of the following structures detects changes in the environment and sends this information to the brain? Neurons Glial cells Hormones Sensory receptors
What is the primary role of the spinal cord in the nervous system? Storing sensory information Carrying messages between the brain and the body Producing hormones None of these
What is the primary purpose of packaging DNA into chromosomes during mitosis? A To prevent genetic mutations B To make DNA more compact C To allow DNA to move to opposite ends of the cell D To increase genetic complexity
In a species with a body cell having 6 chromosomes, how many chromosomes would be in the gametes after meiosis? A 3 chromosomes B 2 chromosomes C 6 chromosomes D 12 chromosomes
Which of the following best describes the process of transpiration? Water transforms from a liquid to a gas Plants release water vapor during photosynthesis and respiration Energy flow from one organism to another Bacteria perform nitrogen fixation
In the genetic code a sequence of three mRNA nucleotide bases that specifies a particular amino acid (or a stop signal)is known as a: Codon. Anticodon Gene.