GRADE A+

evolution Correct Answer: a change in a population over time Natural selection Correct Answer: the process by which populations change over time What is necessary for natural selection to occur? Correct Answer: traits within a population vary -some individuals leave more offspring than others (fitness) Mechanisms of evolutionary change Correct Answer: Natural selection, genetic drift, gene flow and mutation Fitness Correct Answer: the ability of an individual to produce offspring rela...

which protists use pseudopodia to feed Correct Answer: amoebae forams which protists have silica-based skeletons Correct Answer: diatoms which protists are our closest relatives Correct Answer: choanoflagellates; opisthokonta what material is NOT used by protists in hard outer coverings Correct Answer: lignin T/F? fungi are a monophyletic group Correct Answer: true 2 T/F? fungi are more closely related to animals than to plants Correct Answer: true T/F? fungal cells have membrane b...

Skeleton divided into 2 parts Correct Answer: axial (skull, spine, sternum, and ribs) appendicular (girdles, arms, and legs) Tympanic Cavity Correct Answer: middle ear; houses the auditory ossicles; located within the temporal bone auditory or eustachian tube Correct Answer: connects the middle ear to the nasopharynx 4 Paranasal Sinuses Correct Answer: frontal, ethmoid, sphenoid, maxillary foramen magnum Correct Answer: A large opening at the base of the skull through which the brain c...

What is an adaptation? Correct Answer: a trait that improves the fitness of its bearer, compared with individuals without the trait How can biological fitness be estimated? Correct Answer: Count the number of healthy, fertile offspring produced by different individuals in a population. All of the following are true for natural selection EXCEPT: - Variation exists in populations (all individuals are NOT the same). -Characteristics acquired by individuals over the course of their lifetim...

Which phase of the ovarian cycle makes the hormone progesterone after ovulation? Correct Answer: Luteal Which directional term describes the pectoral region to the abdominal region? Correct Answer: Superior Which of the following is an example of a polysaccharide? Glycogen, Sucrose, Glucose, Polypeptides Correct Answer: Glycogen What hormone is responsible for causing ovulation? Correct Answer: LH (luteinizing hormone) Which neurotransmitter causes the pupils to constrict? Correct Ans...

biology Correct Answer: The study of living organisms and their interactions with one another and their environmnets cell Correct Answer: smallest fundamental unit of structure and function in living thiings biosphere Correct Answer: collection of all living things on earth community Correct Answer: set of populations inhabiting a particular area ecosystem Correct Answer: all living things in a particular area together with the abiotic parts homeostasis 2 Correct Answer: ability of...

Properties of Life (9) Correct Answer: 1) cells 2) order and organization 3) reproduction 4) growth and development 5) evolutionary adaptation 6) homeostasis 7) energy processing 8) self regulation 9) sensitivity. respond to stimuli Levels of organization Correct Answer: atoms, molecules, macromolecules, organelles, cells, tissue, organs, and organ system atoms Correct Answer: smallest unit of matter 2 molecules Correct Answer: more than one atom held together by a chemical bon...

where in the cell cycle is DNA transcription and RNA translation occurring? Correct Answer: interphase only Where in the cell cycle is DNA replication occurring? Correct Answer: S-phase genes are carried on ___ Correct Answer: chromosomes key concept of base pairing Correct Answer: hydrogen bond each A with a T hydrogen bond each C with a G about DNA... Correct Answer: -the two strands are anti-parallel (opposite polarity) -hydrophobic bases stack in center (hydrophobic effect maxim...

The four main categories of bio-molecules are? Correct Answer: Proteins, Nucleic acids, Lipids, Carbohydrates What type of bond holds together the parts of a water molecule? Correct Answer: Polar covalent bond What is the basic unit of structure and function of living things? Correct Answer: A cell If the most common form of Carbon has 6 protons, 6 neutrons, and 6 electrons. Which elements would be an Isotope of carbon? Correct Answer: An atom with 6 protons, 8 neutrons, and 6 electrons...

Define Biology Correct Answer: study of living things Know the steps in the scientific method Correct Answer: 1. Observation 2. Question 3. Hypothesis 4. Experiment 5. Analyze 6. Hypothesis- True 7. Report results *6. Hypothesis-Fasle *7. Revise hypothesis Recognize what science can and cannot investigate Correct Answer: it can investigate reasoning: why, how, what... 2 cannot investigate right or wrong What special aspect determines an element's properties Correct Answer: numb...