Exam 15: Animal Evolution

MATCHING Examine the figure below and match the options with the number which best corresponds. -having parts arranged around a central axis

This arthropod has four pairs of walking legs,no antennae,and is venomous.This arthropod is ___.

Which of the following were early tetrapod innovations?

Which of the following characteristics is NOT found in all animal groups?

Our closest extinct relative is

Which of the following primates is a hominin?

Match the hominin with its description. a.Australopithecus afarensis b.Homo erectus c.Homo sapiens d.Homo neanderthalensis e.Homo habilis -the most apelike of the listed species

Which of the following is causing the decline of amphibians worldwide?

The cause of schistosomiasis is a ___.

Horseshoe crabs have lived in the earth's oceans for ___ years.

This arthropod has two pairs of antennae,are a few centimeters long and are food for blue whales.This arthropod is ___.

This animal has amoeba-like cells that distribute food from collar cells to other body cells.This animal is ___.

Which of the following is NOT a characteristic of Sinosauropteryx prima?

Classification.Answer the questions in reference to the five animal groups listed below. a.sponges b.cnidarians c.flatworms d.roundworms e.annelids -Members of this group have a brain with a nerve cord,a saclike or branched gut,and they lack a circulatory system.

This animal has spicules,digests its food in collar cells,and is a hermaphrodite.This animal is ___.

The ___ model of human origins is supported by genetic studies.

Classification.Answer the questions in reference to the five animal groups listed below. a.sponges b.cnidarians c.flatworms d.roundworms e.annelids -This group contains animals with radial symmetry.

Snails are examples of

Four of the five answers listed below are principal characteristics of all chordates.Select the EXCEPTION.

There is genetic evidence of interbreeding between Homo neanderthalensis and H.sapiens about ___ years ago but not after ___ years ago.