Chapter 7-Diversity in Living Organisms

________ have a real body cavity in addition to being bilaterally symmetrical and triploblastic.

Annelid creatures

________ are plants with seeds that have two cotyledons.

Dicots

The ________ is employed for propulsion, and the body is streamlined.

muscular tail

________ is a scientific term for organisms with holes.

Porifera

________ may not always have a functional notochord present or for the entirety of the animal.

Protochordates

________ are vertebrates without jaws.

Cyclostomes

________ are the structures that make up plant embryos in seeds.

Cotyledons

excretory organs

They have kidney- like ________ and an open circulatory system.

________, also known as monocots, are those that produce seeds with only one cotyledon.

Monocotyledonous plants

scaleless skin

They are distinguished by their ________, round mouth, elongated body that resembles an eel, and slippery skin.

aquatic settings

They are typically found in ________ and are known by the common name sponge.

mammary glands

They possess ________, which produce milk to feed their young.

coelomic cavity

They have a(n) ________ and are triploblastic.

product of sexual reproduction

The ________ is seeds.

________ are bilaterally symmetrical, triploblastic, coelomic and segmented, with complex differentiation of body tissues and organs.

Vertebrates

Aristotle, a Greek philosopher, divided animals into three categories based on where they lived

on land, in water, or in the air

Further classification is done by naming the sub-groups at various levels as given in the following scheme

(Kingdom) (Phylum (for animals) / Division (for plants)), (Class), (Order), (Family ) (Genus) (Species)

Typically, the plant body differentiates to produce stem

and leaf-like structures

All chordates possess the following features

(i) have a notochord (ii) have a dorsal nerve cord (iii) are triploblastic (iv) have paired gill pouches (v) are coelomate

Protista are _____ unicellular creatures come in a wide variety of types.

eukaryotic

The _____ is altered to become a fruit is where the seeds grow

ovary

______ group consists of bacteria, cyanobacteria

monera

They are autotrophs and use _____ for photosynthesis.

chlorophyll

_______ are referred to as the plant kingdom's amphibians

bryophyta

Among all animals, ______ is presumably the largest group

arthropoda

____cover the skin of pisces

Scales