For the eighth observation (i = 8), identify the animal phylum, xi, and yi.

a) phylum Cephalochordata; xi = 33; yi = 68

b) phylum Urochordata; xi = 77; yi = 25

c) phylum Porifera; xi = 5.8; yi = 25

d) phylum Urochordata; xi = 25; yi = 77

Which of the following statements about matter is true? matter is always solid. matter is always visible. matther has mass and takes up space. matther must have mass but it does not take up space

True or false is it important to study the genetic makeup of other organisms because information in their makeup may hold information about our own

What is the correct order in which these structures form during the plant reproduction process

What happens to food after a snail eats it?

What part of the skin does sunburn most often affect? Why is this? Dermis epidermis

Lynx feed on rabbits, and the growth curves for these two species fluctuate together. This relationship is an example of a (n) Select one: a. S-shaped growth curve. b. J-shaped growth curve. c. irregular fluctuations. tightly linked cycle.

Where did the marine life most affected by the extinction live? 1. The Arctic Circle 2. Rivers And Streams 3. Warm Tropical Waters 4. None Of The Above

Alice takes lithium to control symptoms of her mental disorder. alice is most likely suffering from

Which two species are most closely related? A) Dog and rabbit B) Human and dolphin C) Wolf and dog D) Giraffe and horse

Changes in chromosome number are usually the result of what?