cody r.
According to modern animal phylogeny based on molecular data, which of the following is a monophyletic group?
Seed coats, which functions to protect plant embryos and allow them to stay dormant, are formed by:
This phylum of cone-bearing gymnosperms is distributed worldwide in cold or dry regions. Many members have needle-shaped leaves with thick cuticles and stomata in pits. This phylum includes the oldest tree (named “Methuselah”) and the tallest tree.
This group of organisms do not moult, and are characterized by having a lophophore (for feeding) and a trochophore (larva with a ring of cilia around the middle). They are:
Rhizomes, tubers, corms, and stolons are examples of modified:
These animals are radially symmetric and more complex than Cnidarians. They have anal pores, are bioluminscent and move using comb-like plates of fused cilia (largest animals to use cilia for locomotion). They are commonly called comb jellies or sea walnuts and belong to:
This Carnivorous plant has leaves with three sensory hairs that when brushed against by insects, triggers trap to shut, eats mostly ants and grasshoppers
Which of the following elements is a micronutrient in plants?
In seed plants the _____________________________ generation is dominant
Growth from apical meristems, generally resulting in an increase in the length of a plant, is referred to as:
The absorption of water by root hairs is accomplished by:
According to modern classifications based on DNA sequencing information:
Of the following farming practices to replenish soil fertility, which is most likely to pollute water supplies and damage ecosystems?
The plant tissue type that gives rise to all other plant tissues or cell types is:
The root structure or zone that includes the root apical meristem and is called the:
A plant with small, odorless flowers that have reduced or no corollas and that make copious amounts of pollen is most likely pollinated by:
A flower that develops with only sepals and carpels is
Members of this phylum are found mostly in freshwater. They have a ciliated food-gathering organ at the tip of their head called a corona. The beating of the cilia gives the appearance of a turning wheel. Some members of this phylum make extensive use of parthenogenesis for reproduction
Sessile adults with a body made of spongin and spicule fibres belong to which phylum? They typically live in the ocean and have a cellular level of development.
If you see a blue flower with "nectar guide" stripes best seen in ultraviolet light and stripes or nectar guides leading down to the nectar offered as a reward, it is likely pollinated by:
The term “angiosperm” means:
Members of this phylum do not have bilateral symmetry; they may have both polyp and medusa forms as adults, and the larval stage is called planula. They can reproduce asexually or sexually.
The root structure or zone where cells elongate upto 10 times their original length is called the
The tissue that directly gives rise to secondary phloem and secondary xylem is
What tissue conducts water and dissolved minerals from the roots to the stems and leaves?
The members of this class comprise the largest class of Cnidaria and can exist as solitary or colonial animals. They have a dominant polyp form, usually with no medusae
Within the ovules of Gymnosperms, the female gametophyte is surrounded by 1-2 integuments which are cell layers that serve a protective function. This integument has an opening that allows sperm to enter. The opening is called:
Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's interior?
The plant hormone that affects opening and closing of stomata, that promotes bud dormancy, and that will produce a yellowed area when applied to a green leaf is:
Which hormone, first isolated in the 1920s by Kurosawa from fungus affecting rice, stimulates shoot elongation, growth of dwarf plants and hastens seed germination ?
These animals are hermaphroditic, have a clitellum during the breeding season, and are mostly parasitic, many of them feeding on the blood of vertebrates including humans. They are dorsoverntrally flattened and have suckers on either ends of their bodies. They belong to the class or subclass:
Which kind of plants lose and replace their leaves continuously in small numbers through the year, but do not lose and replace all leaves together in response to the seasons
For most plants, the preferred soil type is a mix of mineral types that hold water well but not too well. Some soils hold water too well (electrostatic attraction), and this type of soil is called
Plants parts are often adapted to the environments plants live in. Cyress and mangrove trees that live in swampys areas often have spongy, air filled “knees” emerging up from their roots, with large lenticels above the level of the water to allow oxygen in. These are called
A psuedocoelom is located:
This phylum of acoelomate animals comprises of species that are mostly hermaphroditic that have internal fertilization, asexual reproduction is possible in many species, Not all have a digestive tract, those that do Are incomplete with opening in mouth and anus; have no circulatory system
phylum of vascular, seed-bearing plants that are genetically similar to angiosperms has only about 70 living species in three genera, including bizzare plant found in african deserts Welwitschia.has two leathery leaves that grow continuously form the base and vessels in xylem
Members of this monophyletic group have only about 200 living species in the tropics, most of them in danger of extinction. Are slow growing, many look like Palm Trees but reproduce using cones. Largest known sperm
this phylum of pseudocoelomate animals are extremely common in soil. Many are important plant parasites, and some infect humans
An important lab animal from this phylum is Caenorhabditis elegans, which is primarily used to study developmental genetics.
According to physiological evidence and some genetic data, which of the following has the best chance of actually being a grade that would form a clade with flowering plants?
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