The Pond Ecosystem
Ecology- is the study of interrelationships between living species and their physical environment. o The environment is made up of two kinds of factors Biotic- living components Abiotic- nonliving components (temp, light, water,
-compromised of approximately 9,000 species of segmented worms. !
-Examples: Earthworms, leeches, and marine feather duster worms. !
-inhabit a variety of marine, freshwater, and terrestrial habitats!
Here is the STUDENT LINK:
The study of the
s between living
species and their
Niche and Population
utilization of bioti
Q1: Which muscle is
skeletal, cardiac, or
Q2: Which blood cells
would you expect to find
in a frog? Disadvantage?
Q3: Nervous tissue and
blood vessels pass
through the _
Q4: What type of
Urochordata (Tunicata) invertebrate
we will examine seven
classes here (has vertebral column)
1 & 2 part of early development - gastrulation
Phylum Echinodermata - Spiny-skinned - Marine - Pentaradial symmetry - Have spines or calcareous plates in their skin - They have a water vascular system used for locomotion, respiration, and food acquisition HOW ECHINODERMS ARE LIKE HUMANS - Enteroc
Phylum Annelida (Segmented worms)
- Earthworms, leeches - Marine, fresh water, and terrestrial - triploblastic, eucoelomates- have a peritoneum that covers their internal organs - bilateraly syemetrical - protostomes - Produce trochophore larvae - S
Vertebrate Anatomy Bullfrog: rana catesbeiana. Class Amphibia which refers to the fact that amphibians spend some part of their life in water. They were the first vertebrates to invade terrestrial habitats. They require water for egg laying and devel
Phylum Chordata ALL HAVE - A notochord- a flexible, supporting rod - A dorsal, hollow nerve cord - Pharyngeal gill slits - Post-anal tail THREE SUBPHYLA - Urochordata- a.d.a. Tunicata - Cephalochordata - Vertebrata
Both are invertebrates