Animal Planet
Plant Power
Tiny Titans
Body Talk
Into the Wild
10

Poikilotherms are animals that rely on external heat sources to regulate their internal temperature. What is another term used to describe these animals?

Cold-blooded animals or Ectotherm

10

Tiny openings on the leaf's surface allow the entry and exit of such gases as carbon dioxide, oxygen, and water vapor.

stomata

10

What shape do bacilli bacteria have?

rod-shaped

10

What is the largest organ in the human body?

skin

10

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

Species

20

It is the organ in fishes use for respiration.

Gills

20
Transport tissues in vascular plants that carry water and nutrients from the roots to the stems and leaves.

xylem

20

The protein coat that surrounds a virus.

capsid

20

What endocrine gland produces too much thyroxine, causing Graves' disease?

Thyroid Gland

20

The term for species found only in specific geographic locations.

Endemic

30

What is the term for animals that lay eggs?

Oviparous

30

They are also known as seed leaves, the first leaf that engages in photosynthesis, helping the plant develop during germination.

Cotyledon

30

The type of bacteria that require oxygen to survive.

aerobic bacteria/ aerobes

30

The sensory organ converts light signals into action potentials in the optic nerves, which transmit the signal to the visual cortex of the brain.

Eye

30

The measure of biodiversity that includes species abundance and distribution.

index

40

What type of body symmetry do starfish exhibit?

Radial

40

A part of a flower's female reproductive system located in the center that aids in pollen collection.

stigma

40
The scientist who developed the first vaccine against smallpox.

Dr. Edward Jenner

40

The part of the nervous system that controls voluntary movements.

Somatic Nervous System/ Voluntary Nervous System

40

 A phenomenon in which an exotic species that arrives naturally in a new ecosystem, or that is imported into that system by humans, expands its distribution rapidly

Biological invasion/ Invasion

50

What structure do birds use for grinding food in the absence of teeth?

Gizzard

50

It is called the matured ovary of a flower.

fruit

50

The group of bacteria that lack a cell wall

mycoplasma

50

The protein is responsible for transporting oxygen in red blood cells.

hemoglobin 

50

The concept of species having a disproportionate effect on their environment.

Keystone species