Life Science

What labels could be added to the empty red boxes in the model to help differentiate the groups?

• Warm blooded and Cold blooded

• Animals and Insects

• Vertebrate and Invertebrate

• Single celled and Multi-celled

Tags

NGSS.MS-LS4-2

Using the information in the table, which one of the following is a vertebrate?

• Iguana

• Grasshopper

• Jellyfish

• Spider

The table shows the characteristics of several different plants. Which one of the plants described below could be classified as one of the plants in the table?

• Plant A – Does not produce seeds; has roots, stems and flowers

• Plant B – Produces seeds; has roots, stems, and leaves but no flowers

• Plant C - Does not produce seeds; has roots, stems, and leaves, and has flowers

• Plant D - Produces seeds; has no roots, stems, leaves, or flowers

The model demonstrates how plants are sorted into groups. What labels could be added to help separate the groups?

• Nonflowering and Flowering

• Non-seeded and Seeded

• Vascular and Nonvascular

• No chlorophyll and Chlorophyll

Mary asked herself questions about the physical traits of the elephant in the photograph below. Which question helped her determine the elephant’s acquired physical trait?

• What color are the eyes of the elephant’s parents?

• How long is the elephant’s trunk?

• When did the elephant’s tusk break?

• How big are the ears of the elephant’s parents?

The characteristics of a dolphin are shown in the illustration. The dolphin inherited all of these traits from its parents EXCEPT ____________.

• its blowhole for breathing.

• its scars from a motor boat.

• its long, rounded snout.

• its broad, flat tail.

A group of students watches puppies at the pet store. They hear the puppies barking loudly. Which of the following is the best question to ask to help them figure out if barking is an instinct or a learned behavior?

• Do the puppies bark from the time they are born?

• Does the puppies’ barking help them find food?

• Do other animals bark?

• Does the barking mean that there is a predator around?

Jamie’s friend, Sally, told her she should kill all of the bacteria in her body. Would it be good for Jamie’s health to kill all of the bacteria in her body?

• Yes. Most bacteria in your body are harmful. Killing all of the bacteria would get rid of these bacteria.

• No. Many bacteria in your body are beneficial. These beneficial bacteria help your body perform physiological functions, such as digestion.

• Yes. Getting rid of all bacteria in the body would prevent most diseases. This is why doctors use antibiotics.

• No. The harmful bacteria in your body are important for stimulating the immune system.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

As we grow we sometimes become ill with the common cold. Too often we forget to wash our hands when we are sick. When we forget to wash our hands, or don't wash them properly, we are doing which of the following?

• Spreading beneficial microbes to other people.

• Not washing our hands will not spread disease or germs to other people.

• Spreading harmful microbes to other people.

• Spreading both beneficial and harmful microbes to other people is good.

Which of the following is a characteristic of most cells.

Most cells __________________.

• can be seen without a microscope and can be seen with the human eye.

• need to eat other cells in order to stay alive.

• have chloroplast and all cells make their own food through the process of photosynthesis.

• are too small to be seen without magnification, such as using a microscopes.