Plants develop from stem cells called O A. blastocyst O B. meristems O c. embryonic stem cells O D. adult stem cells

Q: a b d

A: Phototropism is the directional movement by which the shoot of the plant moves towards the source of…

Q: Rootsa. are the primary site of photosynthesis.b. give rise to new leaves and flowers.c. have a…

A: The part of the plant which is present underground normally is called root. It provides anchorage,…

Q: One characteristic that separates ferns from complex vascular plants is that ferns do not havea. a…

A: Taxonomy is a branch of science involved with classification, particularly of organisms;…

Q: a) Describe the process of double-fertilization in this fireweed. b) What is the significance of…

A: Fireweed is an angiosperm. It is a flowering plant. The act of fertilization means  the male gametes…

Q: A plant biologist discovers a new species of plant in the ashes of a recent forest fire along the…

A: The word "conifers" means "bearing cones." Conifers are plants that use cones to house their seeds.…

Q: Mosses, liverworts, and hornworts do not reach a large size becausea. they lack chlorophyll.b. they…

A: Answer is b.) they do not have specialized vascular tissue to transport water very high.

Q: In animals, meiosis produces gametes (sperm cells and egg cells), but that does not happen in…

A: A sporophyte is a diploid multicellular condition in plant’s life cycle or algal life cycle.

Q: Flatworm parenchyma cells that are stem cells: O A. pigment cells O B. fixed parenchyma cells O C.…

A:

Q: Green plants differ from the algal Charophycea in: Green plants do not have growth throughout the…

A: Algae differ from land plants or higher plants in the following: 1) They lack true roots, stems, and…

Q: A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow…

A: Flower is a reproductive part of a modified thick shoot of an angiosperm plant. In order to carry…

Q: Leaves that have been reduced to a long rope like midrib are adapted for: O a. Catching insects. Ob.…

A: Plants are multicellular, eukaryotic organisms which are autotrophic in nature that means they make…

Q: The products of budding are a. two cells of equal size. b. two cells, one of which is smaller…

A: Budding is a sort of asexual reproduction where another organism creates from an outgrowth or bud…

Q: Mosses Ferns Pines Oaks Flowers Seeds Wood Xylem and phloem Embryo (b) 4. According to the tree…

A: Out of all the given options,  Option (a) Embryo, Option (b) Xylem and Phloem, Option (c) Woods and…

Q: 1. THE MALE GAMETES ARE PRODUCED IN THE?? A. TUBULES B. TESTES C. EPITHELIAL D. PENIS 2. PLANT WAS…

A: Spermatogenesis gives rise to the production of male gametes.

Q: What function(s) does the carbohydrate callose have in the reproductionof flowering plants?a.…

A: Callose:                  A polysaccharide in the reproduction of flowering plants is recognized as…

Q: Over the course of plant evolution, there has been an increasing dominance ofa. the gametophyte…

A: Most primitive plants are bryophytes which then evolved to form vascular plants of two types i.e.…

Q: A seed of a plant you are examining has one "seed leaf", a structure that nourishes the growing…

A: One " seed leaf" ( or cotyledon ) is the characterstics of monocots. Cotyledons are the first leaves…

Q: What is the main function of guard cells? Select one: O a. regulate the size of the stoma O b.…

A: Introduction: Stomata are made up of tiny pores termed stoma that are encircled by a pair of guard…

Q: Cell differentiation describes the a)  height of different species of pine trees. b)…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: Plant defend themselves against caterpillar herbivory by producing a chemical called precocene which…

A: In insect physiology and anatomy, the corpus allatum (plural: corpora allata) is an endocrine gland…

Q: It is the hormone which is responsible for stem elongation. *         a. Gibberellins       b.…

A: Plant hormones: a. It is an endogenous organic compound that is produced at very low concentrations…

Q: The fertilized ovule gives rise to the ________. a. fruit b. seed c. endosperm d. embryo

A: Plants are multicellular, eukaryotic organisms which have a well-defined nucleus, membrane bound…

Q: Unlike animals, plants continue to grow in their oldest stage of development. Which type of plant…

A: The undifferentiated cells are those which are capable of dividing and forming new cells, while…

Q: A farmer notices that the leaves on some sunflower plants have holes caused by insects. The seeds of…

A: Inheritance is the process by which traits or characteristics are passed from the parent to the…

Q: Phloem is a tissue found in: A. reproductive organs of animals B. plants C. insects D.…

A: The tissue is a cellular level of organization between organ and cell. The nervous, muscular,…

Q: 2.1. Distinguish anatomical differences between C3 and C4 plants.

A: C3 plants  Plants that use the C3 pathway or Calvin cycle for the dark reaction of photosynthesis.…

Q: Both early plants such as mosses and ferns required water:  A. To reproduce via flagellated sperm.…

A: Mosses are classified as Bryophyta, while ferns are classified as Pteridophyta. Mosses and ferns are…

Q: Plants are sessile. How are flowering plants so successful at reproduction in your own words

A: Flowering plants are the plants that use sexual mode for reproduction. The process involves flowers…

Q: The green, gametangia-bearing moss plant (a) is the haploid gametophyte generation (b) is the…

A: The moss has the mature sporophyte that stays attached to the gametophyte and  the sporophyte is not…

Q: A fruit is(A) a mature ovary.(B) a mature ovule.(C) a seed plus its integuments.(D) an enlarged…

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: An important difference between plant development and animal development is that______ . a. only…

A: Introduction: Plant growth can be described as the increase in volume and/or mass of a plant, with…

Q: 5.A. One sperm unites with the egg to form the zygote. The other sperm fuses with the polar nuclei…

A: Since there are multiple questions, the first one is answered for you. If you like a specific…

Q: Plants developing in dry conditions are: A. xerophytes B. mesophytes C. lithophytes D.…

A: Plants are the living organisms which synthesize their own food by photosynthesis. In photosynthesis…

Q: Which is NOT an example of plants demonstrating the characteristics of life? O The leaves on a plant…

A: Plant is an eukaryotic organism. They have cell wall in plant cell.

Q: What is the purpose of squashing the fruit? O To release proteases to help with the degradation of…

A: As we know that DNA is the genetic information that is carried by the cell. To extract the DNA, the…

Q: A The cells of the periderm The cells of the intermediate layer c) The cells of the basal layer D…

A: Neural crest is multipotent and arise from the embryonic ectodermal layer. They give rise to cell…

Q: Chrysanthemums are short-day plants that flower in fall. What cue(s) is important in this process?…

A: Photoperiodism refers to the physiological response of the organisms towards light and dark periods.…

Q: The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema…

A: Plants in various habitats have mutated differently over time in response to their needs. Some…

Q: ________ are seedless vascular plants.   A. Angiosperms   B. Ferns   C. Gymnosperms   D.…

A: Ferns are the most prevalent seedless vascular plants. They normally have large divided leaves…

Q: Asperm cell moves its Ragella back and forth in order to move through its environment. Which…

A: Sperm is defined as the gametes or sex cells produced or generated in the testicular organ (gonad)…

Q: A waxy cuticle helps land plants_______ . a. conserve water c. reproduce b. take up carbon dioxide…

A: Introduction Plants are mostly photosynthetic eukaryotes belonging to the Plantae kingdom.…

Q: Flatworm parenchyma cells that are stem cells: a. pigment  b. fixed parenchyma cells c. neoblasts…

A:

Q: These plants have hollow, jointed stems that are impregnated with silica. (a)mosses (b) club mosses…

A: Mosses do not have true stems and leaves also they donot have true roots. Club mosses have needle…

Q: Flatworm parenchyma cells that are stem cells: A. pigment cells B. fixed parenchyma cells C.…

A: Flatworms are acoelomate organisms and parenchyma cells present in them and generally used to fill…

Q: Which is an advantage of seeds? seeds can remain dormant until certain environmental conditions are…

A: Seed  A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with…

Q: Epiphytes are plants that: O a. Do not live in the soil. O b. Have no roots. Have no leaves. Have…

A: Epiphytes , also called air plants , are the plants that grows upon another plant or object merely…