Question 3 (1 point) Biologists use a classification system to group organisms in part because organisms
share too many derived characters.
are going extinct.
b. are very numerous and diverse.
d. are too much alike.
a.
c.
a
а
b
b
С
d
Question 4 (1 point)
The domain that contains unicellular organisms that live in extreme environments is

Aresearcher is studying the science of attractiveness and asks volunteer test subjects to rank what trait they find most attractive in a person what type of variable is the dependent variable in this experiment

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry