Louisiana State University

Which of these characteristics is shared by algae and seed plants? - Answer chloroplasts The closest algal relatives of land plants are _____. - Answer charophytes Label the structures on this diagram of a moss. - Answer a. sporophyte b. seta c. sporangium d. foot e. gametophyte f. rhizoid Arrange the events in the life cycle of mosses in the flowchart below. - Answer 1. Mature sporophytes produce haploid spores, dispersed by the wind. 2. Separate spo...

Who created the first "convincing" case of evolution? - Answer Charles Darwin the transformation of the lifeforms on earth over time - Answer evolution Darwin's specific "term" that summarized the concept of evolution, generational change over time - Answer descent with modification Is evolution linear? (Hint: think of it in terms of humans and chimpanzees) - Answer No; when many people think of evolution, they think of it in terms of progressing t...

nutrients - Answer the "materials" needed for life nutrition in all organisms - Answer -acquisition of nutrients -digestion, if required (breaking down to monomers in order to distribute) -distribution of the nutrients throughout the body -synthesis of molecules for the organism's body how plants get their nutrients - Answer starting material: elements and small molecules digestion: usually none distribution: driven by osmosis and evaporation (high energy ap...

- No longer require water - Gametophyte greatly reduced - Seeds replace spores - Heterosporous - Answer Characteristics of seeded plants What allowed seeded vascular plants to break their ties to water? - Answer Ability of pollen to be dispersed by wind or animals What gives rise to the female gametophyte? - Answer Megaspores What gives rise to the male gametophyte? - Answer Microspores What is the outer layer of the ovule? - Answer Integument Is ...

Non vascular plants are also known as ___________________. - Answer bryophytes Vascular plants are also known as _______________________. - Answer tracheophytes What are the three subdivisions of the non vascular plants? - Answer liverworts, hornworts, mosses What are the advantages of plant evolution onto land? - Answer unfiltered sunlight, more CO2, higher concentration of nutrients, few herbivores/pathogens, greater opportunity for adaptive radiation What a...

early atmosphere had... - Answer hydrogen, methane, other hydrocarbons and ammonia systematics - Answer - the analytical study of the diversity and relationships of organisms, both present day and extinct - organizing or grouping things taxonomy - Answer - the branch of biology concerned with naming and classifying the diverse forms of life binomial nomenclature - Answer - developed by Linnaeus as the foundation for modern classification - the two lowest catego...

Which of the following is not an observation or inference on which natural selection is based? a) There is heritable variation among individuals. b) Poorly adapted individuals never produce offspring. c) Species produce more offspring than the environment can support. d) Only a fraction of an individual's offspring may survive. - Answer poorly adapted individuals never produce offspring DNA sequences in many human genes are very similar to the sequences of corresponding genes i...

Gluconeogenesis - Answer Process in which new glucose molecules are synthesized from proteins and fats. Carried out by liver. Metabolic Rate - Answer The amount of energy (heat+work) released per unit time Muscular activity, age, gender, body surface area, environmental temperature - Answer What is your metabolic rate influenced by? (5 things) Mechanical work - Answer Type of work involving the use of proteins to generate movement (muscles, cilia) Chemical wor...

Kidneys - Answer main functions: -primarily responsible for maintaining stability of ECF volume, electrolyte composition, and osmolarity -main route for eliminating potentially toxic metabolic wastes and foreign compounds from the body main organs of urinary system goal: to make perfect blood, not worried about urine Kidney Functions - Answer maintain H2O balance in the body maintain proper osmolarity of body fluids, primarily through regulating H2O balance regulate the quan...

PHYSIOLOGY IS TO ANATOMY AS: - Answer FUNCTION IS TO STRUCTURE WHICH TISSUE TYPE IS SPECIALIZED FOR SENDING AND RECEIVING INFORMATION? - Answer NERVOUS UPON EXAMINING AN UNKNOWN TISSUE SPECIMEN, YOU DISCOVER THAT THE TISSUE HAS VERY FEW CELLS AND CONSISTS MOSTLY OF EXTRACELLULAR MATERIAL. THE TISSUE TYPE IS MOST LIKELY: - Answer CONNECTIVE MEASURING THYROXINE LEVELS IN THE BLOOD IS AN INDICATOR OF THYROID GLAND ACTIVITY. THE THYROID GLAND IS AN EXAMPLE OF _____ GLAND -...