7. e. In certain plants, the anther and stigma lie near each other with the goal that self fertilization takes place. Flower buds do not open and the pollen flows directly to the stigma. This flowers are known as cliestogamous flowers.
8. e. Transpiration rate decreases with the accumulation of salt ions in soil. The plant is unable to absorb water under extreme salinity conditions and wilts.
9. d. The everglade ecosystem is poor in nitrogen. Despite this, nitrogen acts as a highly important limiting nutrient in everglade ecosystem.
10. e. ATP is not required during transport of water in xylem vessels and the process is passive. The ions are carried uo in xylem by mass flow.
7. Which of the following is seen in plants with self-fertilization? a. Each individual plant only...
What are the answers to those questions? Which of the following is a characteristic that is NO shared by gymnosperms and angiosperms? A) production of the male gametophyte within the pollen grain B) a female gametophyte that is retained within sporophyte tissue C) Production of both pollen and seeds D) Production of a triploid endosperm Which of the following cells has a different ploidy level from the rest? A) root cells of a flowering plant B) zygote C) cells of...
Q#:3,4,68,69,73,76,92 and 94 3) You plant a seed in a pot with soil, add water, and then place it in the sunlight in a closed chamber. Before the seedling emerges from the soil, carbon dioxide levels increase in the closed chamber. This indicates that is occurring. A) cellular respiration B) alcohol fermentation C) sucrose production D) fertilization E) photosynthesis directs water from the roots into the 4) The waxy barrier called the endodermis and then into the xylem. A) sieve...
1. When you look at a pine or maple tree, the plant you see is a _____. 2. The Brazil nut tree, Bertholletia excels (n = 17), is native to tropical rain forests of South America. It is a hardwood tree that can grow to over 50 meters tall, is a source of high-quality lumber, and is a favorite nesting site for harpy eagles. As the rainy season ends, tough-walled fruits, each containing 8-25 seeds (Brazil nuts), fall to the...
Phloem and xylem always lie adjacent to each other in plants. Together, they form which of the following plant structures? Use letters in alphabetical order to select options A vascular bundle B epidermis C meristems D leaves Which phyllotaxes allow for leaves on a stem to lie flat without bending or breaking? Use letters in alphabetical order to select options A spiral and whorled B alternate and whorled C alternate and opposite D spiral and opposite Plant tissue that functions...
Plantae: 1. Which of the following correctly describes an evolutionary trend that occurred as land plants evolved? 2. Becoming seedless b. Producing one type of spole Producing nonmotile wametes d. Haploid generation becoming dominant 2. Which of the following occurs in the Ilie cycle of both masses and anglosperms? a. The sporophyte is the dominant generation b. The gametophyce is the dominant gcneration c Spores develop into sporophytes d. The sporophyte products sporcs 3. The evolution of which of the...
Describe in detail a mechanism or explanation for the scenarios above for botany You know as much as i do. I dont understand it either. I need help. within the given time? take all the time you need! i need them before friday is all. i have some guesses as to the answers : For a. Do you think the cohesion and adhesion of water in the transport xylem if the stems still happens when the plant is dead? For...
21. The ______ prevents plants cells from bursting when place in a ____ solution. a) centrioles-hypotonic b) chloroplasts-hypertonic c) plasma membrane-hypertonic d) vacuole-hypertonic e) cell wall-hypotonic 22. Specialized cells like your own lung cells each lack which of the following organelles which are commonly found in an onion. a) cell membrane b)cell wall c)ribosomes d)nucleolus e) none of the above ______ 23. White blood cells engulf and destroy foreign particles by a process known as phagocytosis which is actually a)...
31. Which of the following is NOT an anti-predator defense mechanism? A. Plant chemicals, including coffee and tea caffeine, make caterpillars sick or jittery. B. The large eyespots on a moth's wing are exposed abruptly to startle a hungry bird. C. Many trees, vines, and shrubs have stems lines with long thorns. D. Many plants have brightly colored fruit and flowers. 32. An intimate relationship between two different species is called A. competition. B. a community. C. an ecosystem.D. symbiosis....
1. Which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged? A. Alveoli B. Arteries C. Synapses D. Venules 2. Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the hypothesis 3. Lithium has an atomic number of 3 and...
QUESTION 3 The textbook discusses 3 types of environmental degradation affecting the environment. Below, please match each type of degradation discussed to the type of consequence suggested in the textbook. (Answer based on what the book says, not based on your personal opinion.) Air pollution A., is killinig humans 8,..isklin the earth Land poliution Water pollution address chiticar Watel Air Pollution Air pollution occurs when the release of materials to the atmosphere cannot be safelv disposed of by natural processes....