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86 Cards in this Set

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Organ System

A group of organs working together to carry out specific roles and functions.

How many organ systems are there in the human body?

11

Clones (Asexual reproduction).

In plants, a single parent produces offspring that are identical to the parent. Does not involve the formation of flowers and seeds or fruits. Natural or artificial.

Regeneration

In natural asexual production in plants: grow to a new individual from a fragment of a stem, leaf or root.

Vegetative reproduction

Stems, roots, or leaves that attach to a parent plant produces new plants. Under this are runners (stolons and rhizomes), tubers, bulbs, corms, plantlets.

Runners

Stolons (aboveground) from which roots of new plants start to grow, rhizomes give rise to a new plant and with modified stem specialized for reproduction (underground).

Strawberry (stolon); ginger, running bamboo (rhizomes)

Tubers

Underground storage stems from which new plants can grow after a dormant season.

Corms

Underground stems that contain nodes where new plants may arise.

Banana

Plantlets

Miniature version of parents plants

Kalanchoe, aloe vera, welcome plant

Artificial asexual reproduction

When humans manipulate the process of vegetative reproduction; grafting (stems are used), budding (buds are used scions attached to the parent plant).

Sexual reproduction

-for angiosperms and flowering plants


-producing male and female structures gametes (usually occur in the same flower)


-pollen grains (male gametophyte), embryo sac (female gametophyte)

Self pollination

Pollen falls from anther to stigma of the same flower.

Crossing pollination

Transfer of pollen to another plant of the same species (genetic recombination).

Seed

Developed from an ovule, often with a tough coat that protects the developing plant and its food supply.

Fruit

As the seed develops, the ovary grows larger and develops into a fruit which is an enlarged ovary of a flowering plants containing seeds.

Asexual reproduction

In animals:


-Binary fission


-budding


-fragmentation


-regeneration

Sexual reproduction

In animals:


-syngamy


-conjugation

Binary fission

Body of an organism divides into new bodies, duplicating its DNA

Budding

Outgrowths/buds develop on the parent; may break off; hermaphrodites or monoecius organisms.

Fragmentation

Body is divided into 2 more parts, with each fragment developing into an organism like the parent.

Regeneration

Detached parts can grow back

Syngamy

Sexual reproduction, union of gametes (sperm and ovum)

Conjugation

2 organisms of same species with similar appearance but different biochemical compositions

Intracellular digestion

Digestion:


-active transport


-diffusion


-phagocytosis


-pinocytosis

Active transport

Energy is required to transport nutrients across the plasma membranes.

Diffusion

Movement of nutrient molecules (higher to lower concentration).

Phagocytosis

Engulfing food nutrients into food vesicles connected into lysosom s which release enzymes for digestion.

Pinocytosis

Liquid or fluid droplets are taken inside a pinocytotic vesicle.

Extracellular digestion

Digestion occurs outside the cells of the digestive system (fungi, parasites); some digest decaying/dead organisms or feed off living organisms (saprophytes).

Incomplete digestion

Complete or incomplete digestion:


-single opening


-both for input and output


-sponges, cnidarians, ctenophores, flatworms

Complete digestion

Complete or incomplete digestion:


-two openings


-one for input and the other for output


-nematodes, annelids, molluscs, arthropods, and chordates

Arthropods develop special mouthparts such as _____ and ______ to release enzymes their prey.

Mandibulates and chelicerates

Coelom

Annelids, mollusks, echinoderms, and chordates develop a _____.

Ingestion

The process of taking food into the alimentary tract.

Propulsion

This moves content along the alimentary tract.

Digestion

This includes mechanical breakdown of food (chewing/mastication), and chemical digestion of food enzymes.

Absorption

Food substances pass through the walls of some organs and circulates around the body through blood vessels.

Borborygmi

Gurgling noises your small intestines (not stomach) makes.

In immunology, what's GAMED?

G- gravida (gravity)


A- awtsayd 😂 (exposed surfaces)


M- Maaga (early stage of infection)


E- Ellergy 😂 (allergies/hypersensitivity)


D- dugo (blood/plasma)

Elimination

Food is secreted by feces

Ingestion


Propulsion


Digestion


Absorption


Elimination


IPDAE

Five activities in the digestive system

Choanocytes

Simplest multicellular animals like sponges have no special organs to facilitate gas exchange but they utilize pores, canals and chambers present in the linings if their body since they have _______.

Larger surface area and higher respiration

The more complex the hill structure means ________ and _______.

Operculum

In fishes it covers the gills with covered outrgrowth of their pharynx.

Stomata

Plants respire through these.

Source- Photosynthesis


Respiration- stomata


Glucose and O2 to cell- phloem tissue

In plants, what's the source of glucose, how does oxygen enter the organism, and how do glucose get in the cell?

Source- digestive system


Respiration- breathing with lungs/gills


Glucose and O2 to cells- circulatory system

In animals, what's the source of glucose, how does oxygen enter the organism, and how do glucose get in the cell?

Cranial

Brain to eyes, mouth, and ears

Central

Brain to spinal cord

Peripheral

Spinal cord to limbs

Autonomic

Spinal cord to organs

Illustrate the two kinds of Nervous System and their other branches.

Afferent pathway

Pathway that brings information to the CNS.

Efferent pathway

Pathway that carries out information from CNS to other parts.

Somatic pathway

Conveys message to voluntary nerves

Automatic pathway

Innervates involuntary effectors.

Sympathetic nerves

Stimulatory (fight or flight)

Parasympathetic nerves

Calming (rest and digest)

Tropism

Plants response to external stimulus

Phototropism

Plants response to light

Hydrotropism

Plants response to water

Geotropism/Gravitropism

Plants response to gravity

Thigmotropism

Plants response to touch

Closed circulatory system

Blood never gets out into the body cavity. Unidirectional.

Open circulatory system

Pump blood or hemolymph (due to the mixing with interstitial fluid).

Fish ➡ amphibian ➡ reptiles ➡ birds and mammals

Evolution of circulatory system


2 chambers ➡ 3 chambers ➡ 3 chambers ➡ 4 chambers

Pulmocutaneous circulation

Fishes:Gill circulation


Then


Amphibians:?

True

T/F:


Phloem is always alive and is usually producing sap.

False


Xylem dies after a year and solidifies into rings, it is made up of vessels commented from end to end.

T/F


Xylem dies after a month and solidifies into rings, it's not made up of vessels commented from end to end.

Widen (to accommodate volume)

If longitudinal muscles contract and the body shortens, it must ___________.

Lengthen

If the circular muscles contract and the body thins, it must ________.

True

T/F:


In plants, their skeletal system is known as support system since they have no bones, and the structural is formed at the cell walls.

False


Appendicular skeleton

T/F


The axial skeleton consists of the limbs and girdles.

True

The axial skeleton makes up for our center axis (skull, vertebrae, ribs and sternum).

205 bones. Because of ossification: cartilages turn into bones.

Newborns:305 bones:adults:?

Cartilage

A firm but flexible connective tissue that covers and protects ends of long bones. Made up of chondrin.

Integumentary system

Includes the skin and related structures that cover and protect the bodies of plants and animals.

Epidermis, cuticle, plant hairs, and glands.

The integumentary system of plants consist of... (4)

Vertebrates- skin, scales, feathers, hair/fur, glands


Humans- glands, hair, nails


Invertebrates- shells and exoskeletons

The integumentary system of vertebrates, humans and invertebrates are... (5 , 3 & 2)

Keratin

An insoluble protein in the outer layer of the skin of vertebrates. Helps prevent waterloss.

Throughout the body, exterior through sweat pore, clear and salty watery, imperative in regulation of body temp

Distribution, opening, secretion, and regulation of body temp of Eccrine gland

Limited in areas like axilla and umbilicus, into hair follicle, thick and milky, insignificant in body temp

Distribution, opening, secretion, and regulation of body temp of apocrine gland

Shoot system (leaves, stems, and flowers) and Root system

Two main organ system of plants.

Roots


Stems


Leaves


Reproductive organs

The four types of plant organs

Endocrine system

This system controls growth and development, and metabolism. Includes:


-pituitary


-hypothalamus


-thyroid


-adrenals


-pancreas


-ovaries (f)


-testes (m)

Plant hormones

What are auxins, ethylene, abscisic acid, and gibberellins?