Anaximander believed which three elements were the essential forms of all life? water fire air earth
2.) What do all of the living things you selected require/need to sustain life?
13. (18 points) Compare prokaryotes by describing how each group below obtains energy for cellular respiration. Saprotrophs: Photoautotrophs: Chemoautotrophs:
The area where an organism lives it's life including the living and nonliving factors organism population community ecosystem
What is the study of plants and plant life? Body Systems Botany Zoology Cytology
What is the study of how the traits of organisms ; change over time? Zoology Body Systems Evolution Genetics
18. These transmit signals from the sensory pathways to the motor pathways. Lower Motor Neurons Interneurons Upper Motor Neurons Spinal nerves
What substance often alter enzyme function by changing the shape of the enzyme or blocking the enzyme's active site? __
Describe What are two ways that abiotic factors and biotic factors interact in this ecosystem?
1. What is produced as a result of photosynthesis? A.Joxygen and glucose B. nitrogen and oxygen C. glucose and nitrogen D. hydrogen and carbon dioxide
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.
